HomeMy WebLinkAboutCity Council Resolution 14-005 Resolution Approving Residential Design HandbookRESOLUTION 14 -005
A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF SARATOGA
ADOPTING A NEW SINGLE FAMILY
RESIDENTIAL DESIGN REVIEW HANDBOOK
WHEREAS, the City utilizes the Residential Design Handbook and design review process to
ensure consistency with General Plan Residential Land Use Goals and Policies.
WHEREAS, the Residential Design Handbook serves to guide the homeowner, architects,
developers and builders in designing new single- family homes or remodeling of existing homes, in a
manner that is compatible with surrounding properties.
WHEREAS, the Residential Design Handbook serves as the guide to staff, Planning
Commission and City Council in the single - family design review process.
WHEREAS, the Single Family Residential Design Review Handbook embodies and illustrates
the intent of the design review fmdings prescribed in City Code Section 15- 45.080; and
WHEREAS, on January 22, 2014, the Planning Commission held a duly noticed public hearing
on the new Handbook, and considered evidence presented by City Staff and other interested parties and
recommended approval to the City Council; and
WHEREAS, on February 19, 2014, the City Council held a duly noticed public hearing on the
new Handbook, and considered evidence presented by City Staff and other interested parties.
NOW, THEREFORE, BE IT RESOLVED that the City Council of the City of Saratoga
hereby adopts a new Single Family Residential Design Review Handbook attached hereto and
incorporated by this reference. All previous versions of the Handbook are hereby repealed.
The above and foregoing resolution was passed and adopted at a regular meeting of the Saratoga City
Council held on the 19th day of February 2014 by the following vote:
AYES: Mayor Emily Lo, Council Member Manny Cappello, Chuck Page, Jill Hunter
NOES: None
ABSENT: Vice Mayor Howard Miller
ABSTAIN: None
Emily Lo, Mayor
ATTEST:
- 0�� � D DATE: - s />o o,
Cry othelio, City Clerk
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Single - Family Residential
Design Review Handbook
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Adoption date: February 19, 2014
City of Saratoga Revisiondate(s):
In recognition of the city's unique character and the desire to protect the residential characteristics of its neighborhoods, the City Council has
adopted the Residential Design Handbook. This Handbook serves to guide homeowners, architects, and builders in designing new single - family
homes or remodeling existing homes in a manner that is compatible with surrounding properties. The Residential Design Handbook embodies and
illustrates the intent of the Design Review Findings found in City Code Section 15- 45.080 and serves as a guide to staff, the Planning Commission and
the City Council in the single - family design review process.
General Plan Goals
The General Plan represents the
community's objectives for its future
and includes goals, policies, and
implementation measures upon
which the City Council and Planning
Commission base their decisions.
Goals include:
❖ Maintaining the predominantly
small town residential character
of Saratoga which includes semi -
rural and open space areas
•�• Using the design review process
to assure that new construction
and major additions thereto are
compatible with the site and the
adjacent surroundings
Design Review Findings
The Planning Commission shall not grant design review approval unless it is able to make the
following findings. These findings are in addition to, and not a substitute for, compliance with all
other Zoning Regulations (which constitute the minimum requirements as provided in City Code
Section 15- 05.050.)
1. Site development follows the natural contours of the site, minimizes grading, and is
appropriate given the property's natural constraints.
2. All protected trees shall be preserved, as provided in Article 15 -50 (Tree Regulations). If
constraints exist on the property, the number of protected trees, heritage trees, and native
trees approved for removal shall be reduced to an absolute minimum. Removal of any smaller
oak trees deemed to be in good health by the City Arborist shall be minimized using the
criteria set forth in Section 15- 50.080.
3. The height of the structure, its location on the site, and its architectural elements are designed
to avoid unreasonable impacts to the privacy of adjoining properties and to community
viewsheds.
4. The overall mass and the height of the structure, and its architectural elements are in scale with
the structure itself and with the neighborhood.
5. The landscape design minimizes hardscape in the front setback area and contains elements
that are complementary to the neighborhood streetscape.
6. Development of the site does not unreasonably impair the ability of adjoining properties to
utilize solar energy.
7. The design of the structure and the site development plan is consistent with the Residential
Design Handbook, pursuant to Section 15- 45.055.
8. On hillside lots the location and the design of the structure avoid unreasonable impacts to
ridgelines, significant hillside features, community viewsheds, and is in compliance with
Section 15- 13.100.
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
All Design Review projects shall be consistent with this Handbook. This Handbook may also be helpful for Technical Review projects.
Neighborhood Context.. ..............3
Mass................................. ..............................4
Height, Scale, and Proportion ............................5
Streetsca pe ...................... ............................... 6
Two -story Structure ........... ..............................7
Site Planning .. .......................8
Community Viewsheds ....... ..............................9
Setbacks............................ .............................10
Privacy............................... .............................11
Solar Access ....................... .............................12
Building Design.. .....................13
Porches and Entry Features .. .............................14
Garage................................ .............................15
Roof, Eaves, and Wall Planes .. .............................16
Windows and Dormers ......... .............................17
Exterior Materials and Details ............................18
Landscaping .. .......................19
Front Yard Landscaping ........ .............................20
Pervious Materials and Hardscape ......................21
Grading, Drainage, and Erosion Control ..............22
Water Efficient Landscaping .. .............................23
Each section and corresponding guideline includes the following components:
• Applicable Findings -The first page of each section identifies relevant design review findings required for project approval
• Design Techniques - Each guideline includes design techniques that should be considered for meeting the findings
• Illustrations - Each guideline includes conceptual illustrations of design techniques
Refer to Appendix A for lots with an average slope of 10% or greater and for lots in the Hillside Residential District
Hillside Guidelines .. ..................25
Hillside Viewsheds ............ ............................... 26
Hillside Integration - Natural Topography ........... 27
Hillside Integration - Site Planning ....................28
Hillside Integration - Building Design ................29
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
NEIGHBORHOOD CONTEXT
People think of their "neighborhood" in different ways. When establishing the existing neighborhood design context, the boundaries of a
neighborhood could include an area with the following characteristics in common: Similar zoning, part of a sub - division, common access
routes, walkable radius (15 minutes, about quarter mile radius), similar architectural styles /tree or landscaping patterns, or main streets as a
boundary. This handbook is not intended to prevent change in a neighborhood, nor should it be construed as an obligation to adhere to an
existing style or prescriptive design. Modernization of the City's aging housing can be done in a manner that recognizes and respects the
unique features and characteristics of each neighborhood.
Examples of Neighborhoods
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Some recently built homes are not well integrated into the
neighborhood or do not meet the intent of the Residential Design
Handbook. Applicants should design structures to meet these
guidelines rather than pointing to examples in the City that do not.
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Design Review
Findings
• The height of the structure,
its location on the site,
and its architectural
elements are designed
to avoid unreasonable
impacts to the privacy of
adjoining properties and
to community viewsheds.
• The overall mass and the
height of the structure,
and its architectural
elements are in scale with
the structure itself and
with the neighborhood.
• The landscape design
minimizes hardscape in
the front setback area and
contains elements that
are complementary to the
neighborhood streetscape.
• Development of the site
shall not unreasonably
impair the ability of
adjoining properties to
utilize solar energy.
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
Page
3
NEIGHBORHOOD CONTEXT
Mass is correlated with the physical size (i.e., bulk and volume) and configuration of a structure and the design of its architectural features.
The perception of mass is a reflection of how large a home appears in a neighborhood. The mass of a structure is controlled in part by height
limits, minimum setbacks and maximum floor area limits. However, a structure that maximizes the allowable floor area and minimizes
the required setbacks may appear bulky and out of context in the neighborhood. A structure that is thoughtfully designed and sited
appropriately on the lot will have less impact on the neighborhood.
26 feet
18 feet
10 feet
X
The new home to the right appears massive in comparison to the existing home to the left. Bringing the height of the entry down,
changing the roof design, and reducing the mass of the home facing the street would help bring it into scale with the adjacent
residence.
A non - traditional design can be integrated into a
0// neighborhood when mass is controlled with simple lines,
appropriate setbacks, and thoughtful material selection.
The massing on this home is minimized with simple
roof forms and a side entry garage.
Mass
Design
Techniques
The design should
incorporate one or more of
the following techniques:
• Manage mass in the initial
design stage, not after the
floor plan is developed
• Manage mass through
appropriate building
design rather than with
landscaping
• Design the structure
with simple and well -
proportioned massing
• Setback large structures
from the street and
adjacent residences
• Use simple roof forms and/
or wall planes
• Minimize the use of
excessive colors and
materials
• Minimize the mass on a
non - conforming lot
Page
4
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
NEIGHBORHOOD CONTEXT
Height, Scale, and Proportion
The height and size of a structure should be proportionate to the size and shape of the lot and in scale with the neighborhood. The setback
from the street and between the homes in a neighborhood will also affect the perception of height and size of a structure.
JC
Maximizing the height and floor
area of this home overwhelms the
adjacent residence.
Existing single story home
kW,AF-
Setting the second story back and
incorporating single -story elements
helps brings this home into scale with the
neighborhood.
FIA
A perspective drawing illustrates how single -story elements on the house to the right minimizes height impacts of the above homes as
seen from the street.
Design
Techniques
The design should
incorporate one or more of
the following techniques:
• Increase the side yard
setbacks of a home that
is significantly taller than
adjacent homes
• Incorporate front and side
wall plane heights that
are in scale with adjacent
residences
• Incorporate eaves and roof
lines that are in scale with
adjacent residences
• Design appurtenances
in proportion to the
overall building form and
neighborhood
• Avoid flattening the
top of a sloped roof to
accommodate height
limitations
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
Page
5
NEIGHBORHOOD CONTEXT
StreetscaDe
The Streetscape represents the visual elements of a street, including the roadway, driveways, walkways, fencing, trees, structures, and
landscaping that combine to form the street's character. The streetscape is affected by the setbacks between individual properties and the
setback between each home and the street. The design of a structure and front yard landscape should complement the generally established Design
neighborhood character.
New House i Existing House Existing House i New House
Isimilar similar I similar
M
J
The building footprint on the right is compatible with the Corner lots are a significant part of the streetscape.
predominant streetscape pattern while the building footprint 1W/ This design is well composed on both sides facing the
on the left will likely appear bulky and out of place. street.
The homes along this street share similar characteristics such as an L- shaped footprint, garage location, and roof
V/
type, while maintaining personal design elements such as siding material, roof material, exterior colors and trim.
Techniques
The design should incorporate
one or more of the following
techniques:
- Maintain the generally
established front yard
setbacks along the street
- Minimize the overall mass
of a structure on a non-
conforming lot, corner lot, or
at the end of the street
- Design both street facing
facades of a corner lot in a well
composed manner
- Use exterior materials that
complement the streetscape
- Minimize any large expanse of
roof seen from the street
- Deemphasize the garage
presence on the street
- Deemphasize tall features that
overwhelm the neighborhood
streetscape
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
Page
6
NEIGHBORHOOD CONTEXT Two-Stor
With few exceptions, a two -story home is permitted and possible. If designed with consideration of the surroundings, a two -story design can
have benefits such as increased distance between structures on adjacent properties, reduced grading and lot coverage, and minimized impact
on trees, creeks, and other natural features and habitat. For neighborhoods primarily consisting of single -story homes, an effort should be
made to design a new two -story home or addition that blends in seamlessly with the neighborhood. The design should incorporate single -
story features which reduce the visual impact of the second story.
x
This full height two -story home
with high eaves and wide roof
ridge is out of scale with the
adjacent single story home.
Existing single -story
home
Setting the second story
back and incorporating
similar roof lines as
the adjacent residence
helps brings this home
into scale with the
neighborhood.
By lowering the eave line
and containing the square
footage under the roof with
dormers, this two -story
home is more in scale with
the neighborhood than the
home to the far left.
® A two -story home setback from
v// the street, and designed with
single -story elements, can be
integrated into a single -story
neighborhood with similar sized
lots.
Structure
Design
Techniques
A new two -story home or
addition in a predominately
single -story neighborhood
should incorporate one or
more of the following design
techniques:
• Increase the side yard
setbacks of a home that
is significantly larger than
adjacent homes
• Incorporate single -story
elements in the front
• Minimize the height of
second story wall planes
and eave lines
• Incorporate the second
story within the roof form
• Align the first story eave
lines to be in scale with
adjacent structures
• Setback the second story
in proportion to the size
of the lot and proximity to
neighbors
Page
7
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
SITE PLANNING
Site Planning should take into account sun and wind orientation, site drainage, existing trees and landscaped areas, and proposed areas for
driveways, pathways, gardening and outdoor entertainment. The site assessment should also consider the location of existing structures
adjacent to the site and general similarities and differences in the size, dimensions, and topography of the site and of neighboring properties.
Areas with potential privacy impacts for both the owner and neighbors should be managed in the site design, rather than after the floor plan
is developed.
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Design
Review Findings
- Site development follows
the natural contours of the
site, minimizes grading, and
is appropriate given the
property's natural constraints.
- All protected trees shall be
preserved. If constraints exist
on the property, the number of
protected trees, heritage trees,
and native trees approved for
removal shall be reduced to an
absolute minimum. Removal of
any smaller oak trees deemed
to be in good health by the City
Arborist shall be minimized.
-The height of the structure,
its location on the site, and
its architectural elements
are designed to avoid
unreasonable impacts to the
privacy of adjoining properties
and to community viewsheds.
When designing the site plan, consider neighborhood This site plan acknowledges areas with potential privacy - Development of the site shall
patterns such as garage location, setbacks, and front ✓ impacts, site drainage patterns, the location of existing not unreasonably impair the
yard landscaping. trees, and sun and wind orientation. ability of adjoining properties
to utilize solar energy.
Page
8
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
SITE PLANNING
Communitv Viewsheds
The Zoning Code defines community view sheds as "any views which are visible from an area which has scenic value for the community'
The Hillside Specific Plan sets forth aesthetic and scenic quality policies to allow clear views from streets and roads and to establish scenic
easements that protect prominent ridgelines. The General Plan reinforces that the western hills and ridgelines are the predominant scenic
resource within the City.
/ Views of the hills from the roads leading into and out of the City's
v neighborhoods contribute to the small -town residential character.
d n
XThe siting of this home creates impacts on the community viewshed.
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It is reasonable to expect that redevelopment of this
older single -story home will have some impact on
neighbor views of the sky, trees, and natural landscape.
Design
Techniques
The design should
incorporate one or more of
the following techniques:
• Maintain a reasonable
amount of open area on a
property
• Design the site plan to
minimize view impacts
• Manage the bulk and mass
of a structure to minimize
interference of views from
streets and roads
• Design roof forms to
minimize obstruction of
views from streets and
roads
Page
9
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
SITE PLANNING
Setbacks provide openings for light and air, enhance privacy, and create boundaries between properties. The minimum requirements for the
front, side, and rear yard setbacks are based on the designated zoning district. However, many older neighborhoods were built with larger
setbacks. The design should consider established neighborhood setbacks, even when such setbacks may be more restrictive than the Zoning
Code.
10 feet i 20 feet
Property line
fence
/ The home on the right is
set back from the adjacent
property in proportion to its
size and height.
X
While this home
meets the required
front yard setback,
its placement on the
lot is out of character
with the other
homes, disrupting
the natural flow
along the street.
Setbacks
Design
Techniques
The design should
incorporate one or more of
the following techniques:
• Maintain the generally
established front yard
setbacks along the street
• Design side yard setbacks
to minimize impacts on
neighbor privacy
• Setback the structure in
proportion to the size and
shape of the lot
• Setback the structure from
adjacent properties in
proportion to its size and
height
• Increase the setbacks of a
large structure
• Increase the side yard
setbacks of a two -story
structure
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
Page
10
SITE PLANNING
Privacy, both within a home and in an enclosed yard, is important to residential quality of life in Saratoga. Engage neighbors for feedback
early in the design process. Privacy issues should be resolved in the initial design stage, not as an afterthought. Residential privacy should
not be achieved solely with fencing and landscaping between properties. The building's design should be the primary means of addressing
privacy impacts. Privacy impacts should be minimized to the best extent possible through appropriate placement of buildings, windows,
doors, and balconies.
The finished floor of the home on the left is higher than the
home on the right, creating privacy impacts due to window
placement.
Offset the placement of windows and doors between
adjacent properties.
c�
".
Privac
Design
Techniques
The design should incorporate
one or more of the following
techniques:
• Minimize windows and
balconies in direct view of
neighbor's private indoor
and outdoor areas
• Minimize the size and
number of 1 st and 2nd story
windows on side elevations
• Locate larger windows
in areas that do not have
privacy impacts
• Utilize clerestory windows
or windows with higher sills
where privacy is a concern
• Consider finished floor
height and window
placement impact on
adjoining neighbors
• Pay attention to privacy
concerns on sub - standard
and small lots
This balcony has a direct view into the neighbor's
private indoor and outdoor areas.
✓
Use clerestory windows where light is desired but
privacy is a concern between neighbors.
Page
11
City of Saratoga • Single -
Family Residential Design Guidelines • Design Review Handbook
SITE PLANNING
Solar Access
Solar access is the ability of a property to collect active and passive solar energy directly from the sun. Solar panels are increasingly used as
a means of reducing energy use from industrial sources. Passive solar design takes advantage of a building's site, climate, and materials to
minimize energy use. A passive solar home collects heat as the sun shines through south - facing windows and retains it in materials that store Design
heat, known as thermal mass.
Depending on sun angle, a structure's mass can cast a substantial shadow
xon adjacent properties and interfere with solar collectors or sunlight
exposure on a neighbor's yard or pool.
JV&41.,
Reversing the floor plan and adjusting the slope, eave line(s), and
y orientation of this home's roof planes reduces the shadowing effect.
State Law sets forth minimum
requirements for non - interference
with neighboring properties'
solar access. Cal. Public Resources
Code Section 25982 forbids any
tree or shrub from being planted
so as to cast a shadow "greater
than 10 percent of the collector
absorption area upon [an existing
neighboring] solar collector surface
at any one time between the
hours of 10 a.m. and 2 p.m., local
standard time"This standard is a
statutory minimum, in addition
to this Handbook's guidelines
to minimize interference with a
neighbor's solar access due to
landscaping and building design.
City of Saratoga • Single - Family Residential Design Guidelines
Techniques
The design should
incorporate one or more of
the following techniques:
• Locate and design a
structure to minimize
shadows on neighbors'
pool, yard areas, or solar
systems
• Design landscaping to
minimize interference with
a neighbor's solar access
• Minimize the appearance
of roof mounted solar
panels
• Minimize energy usage
through careful selection
and placement of windows
• Landscape with deciduous
trees that increase sun
exposure in the winter and
block sun in the summer
Design Review Handbook
Page
12
BUILDING DESIGN
Building Design is a reflection of individual taste, family needs, and the nature of a home's living space. The design of a home and
its architectural style will continue to evolve over time. New and older structures need not look alike, but should exhibit threads of
commonality including building form, roof type and the relative size of windows, doors, entries, and other major building elements.
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09
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ti 1
Design
Review Findings
-The height of the structure,
its location on the site,
and its architectural
elements are designed
to avoid unreasonable
impacts to the privacy of
adjoining properties and
to community viewsheds.
-The overall mass and the
height of the structure,
and its architectural
elements are in scale with
the structure itself and
with the neighborhood.
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
Page
13
BUILDING DESIGN Porches and Entry Features
The front porch and entry are one of the most defining design components of a home and represent a transitional space between the external
and internal environments. Large new homes built in neighborhoods with smaller homes can create visual impacts through the use of tall,
formal entries that are in stark contrast to their more modest neighbors. Entries should be in scale with the existing neighborhood pattern
and integrated with the structure in composition, scale and design character. Balconies are also often a prominent element of a building's
architecture and should be designed with attention to scale and privacy.
/ The impact of this home's taller entry is minimized given the large lot size and
v additional setback from the street.
Design
Techniques
The design should
incorporate one or more of
the following techniques:
• Design the porch and
entry to be in scale with
other structures in the
neighborhood
• Design the entry height in
proportion to the structure
• Design entry eave lines
in proportion to adjacent
residences
• Design the height and
width of columns in
proportion to the structure
• Incorporate entry and
porch materials that are
architecturally appropriate
• Setback upper floor
balconies to minimize
privacy impacts
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
Page
14
BUILDING DESIGN
The location and size of the garage will influence the amount of hardscape in the front yard and the landscaped space between residences.
Designing a two -car garage on a narrow lot will require additional consideration to avoid overwhelming the facade of the home. Large homes
on large lots can accommodate a three -car garage, so long as it is done with consideration of impacts to the streetscape and neighborhood
character.
12
This garage is setback from the home, diminishing its
presence on the street.
1�
This three -car garage is placed perpendicular to the lot
frontage, and is designed with windows facing the street,
giving it a more street friendly presence.
WA
Garaae
Design
Techniques
The design should
incorporate one or more of
the following techniques:
• Design a garage that is in
scale with the structure
• Deemphasize the presence
of the garage on the
facade
�~ g • Select garage door colors
and materials that are
compatible with the
architecture
This three -car garage is the foremost feature on the
home and overwhelms the facade. The second story
element of this home also places emphasis on the
garage.
• Face the garage doors
perpendicular to the street
if lot size allows
• Offset the wall planes of a
three car garage
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
Page
15
BUILDING DESIGN
Roofs, Eaves, and Wall Planes
Roofs area significant structural component of a building and largely responsible for defining the character of a home. The principle features of
a roof are the shape, pitch, and materials - all of which determine architectural style. An eave is the edge of a roof and typically projects beyond
the side of the building. The exterior wall plane and plate height form the vertical and horizontal massing of a structure. The roof pitch and
overall length and height of a structure's walls are key considerations in maintaining a compatible scale in a neighborhood.
26 feet
i8 feet
to feet
x
This simple sketch illustrates
what happens when a home
is designed with a flat roof
in order to maximize both
height and floor area; it results
in a home that appears bulky.
Lowering the plate heights
of both the first and second
story and incorporating a
sloped roof helps reduce the
bulk.
The bulk can be further
reduced by lowering the
plate height at the edge of
the second story walls and
reducing the slope of the roof.
When located next to a
single -story home, it may
be necessary to incorporate
additional design strategies
to deemphasize the second
story.
Design
Techniques
The design should
incorporate one or more of
the following techniques:
• Incorporate wall planes
and plate heights that are
in scale with homes in the
neighborhood
• Incorporate roof and
eave lines that are in
scale with homes in the
neighborhood
• Select a roof design
and materials that are
architecturally appropriate
• Design primary and
secondary roof forms that
are compatible with each
other in terms of slope,
mass, and complexity
Unless located on a large lot surrounded by similar sized The appearance of taller portions of a
xhomes, the large exterior wall planes of this home will v/ structure can be minimized by providing Page
emphasize its size. variations in wall plane setbacks. 16
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
BUILDING DESIGN
Windows and Dormers
Windows are a defining characteristic of a home's appearance from the street. Windows and dormers should be designed with
consideration of the impact they have on adjacent neighbors and the overall design of the structure. While complete privacy is not
guaranteed in an urban environment, the design should strive to protect the privacy of both the homeowner and the adjacent neighbors.
The large bay
window and
divided lites
overwhelm the
fa4ade.
Design
Techniques
The design should
incorporate one or more of
the following techniques:
• Maintain the general type
and shape of windows on
all sides of the structure
• Select windows and
dormers that are
architecturally appropriate
• Design dormers in
proportion to the roof
• Offset windows between
adjacent structures to
reduce privacy impacts
• Moderate the size and
quantity of bay windows
and /or dormers
• Minimize large wall
expanses without windows
• Incorporate energy
efficiency through window
design
T
Window placement on the side of this home has been
designed to minimize privacy impacts to the adjoining _ / Dormers provide light and air upper floors while Pa
reducing the perceived mass of f e
second story floor space. g
residence without sacrificing architectural style. 17
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
BUILDING DESIGN
Exterior Materials and Details
Exterior Materials and Details include but are not limited to siding materials, roof materials, chimneys, spires, columns, shutters, and exterior
colors and trim.The exterior presentation of a structure, in terms of color, texture, and use of materials greatly influences curb appeal as well
as compatibility with neighboring structures. Colors and materials found in the neighborhood can help tie the structure to its surroundings.
Materials should be consistent with the structure's architectural style and massing. Accessory structures should complement materials,
finishes, and colors found on the primary structure.
A large expanse of stone veneer can look heavy and
overwhelm the facade.
✓The siding materials and column design is
architecturally appropriate on this home.
!2
The variegated roof
colors, tall columns,
and contrasting
exterior colors on this
home are distracting.
Design
Techniques
The design should
incorporate one or more of
the following techniques:
• Select materials, colors,
and details that enhance
the architecture in a well -
composed, understated
manner
• Minimize excessive use of
colors and materials
• Select roof colors that are
inconspicuous from the
street
• Select materials and details
that are architecturally
appropriate
• Design shutters to be in
scale with the window
• Design the height, size,
and shape of the chimney
in proportion to the
structure
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
Page
18
LANDSCAPING
Landscape design is an integral component of Site Planning and Building Design. The current pattern of walkways, driveways and
landscape elements such as fences, hedges, and retaining walls in the neighborhood should be considered when developing the
landscape design. Plant selection should recognize the importance of water conservation, fire resistance, and erosion control. The use of
impervious surfaces should be minimized.The preservation of trees is essential.
Design
Review Findings
• Site development follows
the natural contours of the
site, minimizes grading,
and is appropriate given
the property's natural
constraints.
• All protected trees shall be
preserved. If constraints exist
on the property, the number
of protected trees, heritage
trees, and native trees
approved for removal shall
be reduced to an absolute
minimum. Removal of any
smaller oak trees deemed to
be in good health by the City
Arborist shall be minimized.
-The landscape design
minimizes hardscape in
the front setback area and
contains elements that
are complementary to the
neighborhood streetscape.
• Development of the site shall
not unreasonably impair the
ability of adjoining properties
to utilize solar energy.
Page
19
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
LANDSCAPING
Front Yard LandscarAn
Front yard landscaping includes hardscape, greenscape, and accessory structures (e.g., fences, gates, pillars). A well designed landscape can
help connect the residence to the site and define the entry, pathways, and boundaries of a property. While landscape design is highly personal
and largely left to the discretion of the individual property owner, the design should reflect the constraints of the lot and character of the Desl n
neighborhood. g
V/ Landscaping can be used to create an inviting entry.
F.11"; MQ%i L W-114
Landscaping can be coordinated with
adjacent properties to create a lush yard for
both neighbors.
Techniques
The front yard landscape design
should incorporate one or more
of the following techniques:
• Incorporate landscape
elements that complement
the streetscape
• Select landscape elements
that are compatible with
other front yards found in the
neighborhood
• Incorporate landscape
elements that develop a sense
of connection between the
home and the neighborhood
• Design landscaping that is
compatible with the home's
architecture
Design walls, fences, gates,
pillars, and accessory
structures in proportion to the
home and the site
• Soften the appearance
of fences and walls with
landscaping
Well- designed front yard fencing and landscaping can maintain Landscaping can soften the appearance of
privacy between properties while preserving a connection to the ✓ fencing. Page
street and neighborhood. 20
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
LANDSCAPING Pervious Material and Hardscape
"Hardscape" includes impervious surfaces and other surfaces that may be permeable but are not otherwise considered natural landscaping
(e.g., trees, dirt, grass). Where hardscape may be necessary for driveways and walkways, pervious materials are encouraged. Pervious materials
allow infiltration of stormwater into the soil, thereby reducing runoff and the amount of pollutants that enter creeks, the Bay, and other water
bodies. This can improve water quality, help reduce creek erosion, and facilitate groundwater recharge.
Imo. � , '� � � �` • +_ ��
2
Pervious pavement systems are available in many different types
that offer environmentally - friendly and aesthetically pleasing
options for driveways, walkways, and patios.
= I VS011 IN
XExcessive hardscape and a lack of live landscaping in the front yard
can diminish the semi -rural character of neighborhoods.
N0
Grasscrete and
other grass
paving systems
decrease the
amount of
impervious
surface on
a property
and can be
more visually
appealing than
traditional
hardscape
surfaces.
Pervious materials contain pores or separation
joints that allow water to flow through and seep
into a base material (typically gravel or drain
rock).
Design
Techniques
The landscape design should
incorporate one or more of the
following techniques:
• Minimize hardscape in the
front setback area
• Minimize impervious
surfaces, especially where
runoff may be a concern
• Minimize compacted
landscaped areas which can
inhibit site drainage
• Consider using pervious
materials for driveways,
walkways, and /or patios
Pervious pavement may be
suitable in locations that are:
• flat or nearly flat
(maximum 2% slope)
• not in a seasonally wet area
(e.g., creek bed)
• not close to a building
foundation (unless measures
are taken to prevent
infiltration under the
structure)
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
Page
21
LANDSCAPING Grading, Drainage, and Erosion Control
Storm water must be retained on -site and directed away from adjoining property and toward stormwater drains, and drainageways.
Stormwater best management practices should be integrated into the landscape and grading design plans to minimize runoff and to increase
on -site retention and infiltration. Low Impact Development (LID) is an alternative site design strategy that uses natural and engineered
infiltration and storage techniques to control storm water runoff. Refer to the Santa Clara Valley Urban Runoff Pollution Prevention Program for
information on applicable stormwater ordinances and stormwater management plans.
/ Rain gardens and
bio- swales can filter,
direct, and retain •`"
storm water.
nativeplonts ti °
and hardy ss}^ t
cultivors
water flow I
v
impervious
surface
pea gravel layer
discharge pipe
kw,Ar
Any proposed
construction or
grading within
50 feet from the
top of creek bank
shall comply with
Santa Clara Valley
Water District
Guidelines.
detention filtration zone
f pianting soil mix
retention zone
50 feet 50 feet
v/
Splash
blocks or
rain chains
� 7
can prevent
erosion.
` f3 .N
Design
Techniques
The grading and drainage
design should incorporate
one or more of the following
techniques:
• Minimize soil erosion,
runoff, and water waste
• Retain water from
irrigation and normal
rainfall within property
lines
• Minimize drainage onto
impervious surfaces
• Minimize the potential for
soil compaction
• Direct runoff from
driveways, walkways,
roofs, and /or patios onto
vegetated areas
• Avoid grading within the
driplines of protected trees
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
Page
22
LANDSCAPING Water Efficient LandscaDin
The City acknowledges the aesthetic benefit of landscapes while recognizing the need to invest water and other resources as efficiently
as possible. Water efficiency can be achieved without an overreliance on hardscape. Landscape design, installation, maintenance and
management can and should be water efficient. Simple changes in plant type and irrigation methods can greatly reduce the water required
for an attractive landscape. There are many plants that use surprisingly little water. New irrigation systems can increase irrigation efficiency and
result in water use reduction.
Mulch can aid in greater water retention by
minimizing evaporation and reducing weed
growth. However, mulch should be used
sparingly in conjunction with an attractive water
efficient landscape
N
A dry river rock bed can
reduce water use while
adding a natural - looking
element to the landscape.
It can also reduce topsoil
erosion in areas where
runoff is a problem.
Dry river
rock bed
Native
plants
Trees
Patio
✓ Grass lawns can require a large amount
of water and maintenance. Consider
limiting turf to functional areas such
as play or recreation areas. Use turf
sparingly for aesthetic purposes.
Design
Techniques
The landscape design should
incorporate one or more of
the following techniques:
• Group plants according to
their water needs
• Select native species that
are adapted to site soil
characteristics
• Protect and preserve
native species and natural
vegetation
• Select drought tolerant
and /or water - conserving
plants and turf species
• Select plants based on
disease and pest resistance
• Design irrigation that
is appropriate for soil
conditions, plant type, and
season
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
Page
23
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APPENDIX n HILLSIDE GUIDELINES
General Plan goals include preserving the natural beauty of the west valley hillsides and protecting existing view sheds, view corridors,
and scenic open spaces. The design review process was put in place to ensure that development would blend in with the hillside's natural
environment by limiting the use of obtrusive colors and by reviewing the height, placement, and design of structures. Development proposals
shall minimize grading and minimize impacts to ridgelines and significant natural hillside features, including but not limited to steep
topography, native vegetation and trees, and watercourses. The design plan should also minimize both physical and aesthetic changes to a
site's natural topography.
,
A9V,
Y
i
!
r N Y T-
.z
r
1 L ,ic 'lam
The techniques on the following four pages apply to properties with
an average site slope of 10% or greater and to properties in the Hillside
Residential Zoning District
Design
Review Findings
• Site development follows
the natural contours of the
site, minimizes grading,
and is appropriate given
the property's natural
constraints.
• The height of the structure,
its location on the site,
and its architectural
elements are designed
to avoid unreasonable
impacts to the privacy of
adjoining properties and
to community viewsheds.
• On hillside lots, in
addition to demonstrating
compliance with Section
15- 13.100, the location and
the design of the structure
avoid unreasonable
impacts to ridgelines,
significant hillside
features, and community
viewsheds.
Page
25
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
HILLSIDE GUIDELINES
111/ This home has been tucked into the hillside,
minimizing its visual impact on the valley below.
• r
/ This home has been sited on a lower portion of
V/ the site to minimize impacts to the community
viewshed.
Hillside Viewsheds
This home has been sited at the top of the
xhill, standing out against the landscape and
disrupting the viewshed from below.
The placement and height of this home interferes
with the community viewshed.
Design
Techniques
• Avoid siting the structure on
the top of a hill
• Tuck the structure into the
hillside
• Locate the structure on lower
portions of a hillside lot
• Minimize impacts to
viewsheds when designing
the site plan and structure's
location
• Limit the height and bulk of
the structure on hillside lots
• Design roof forms and roof
ridgelines that minimize
impacts to viewsheds
• Avoid light, bright, or
reflective colors and
materials
• Screen light sources
• Locate light sources at
ground level
• Avoid light sources that may
be seen at a distance
Page
26
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
HILLSIDE INTEGRATION
The home and basement area is merged into the
hillside, reducing the perceived mass and height of
the structure.
Natural Tot)oarai)h
The exposed crawlspace and tall support poles
of this home increase the height and mass of the
structure.
This home is merged into the hillside, reducing its
visual impact on the valley below.
The downhill cantilevers and opposing roof slope
xon this home are visually obtrusive to the natural
topography of the site.
Design
Techniques
• Tuck the structure into the
hillside
• Minimize changes to the
natural topography
• Minimize changes to the
site's natural countours
• Balance cut and fill and avoid
excessive grading
• Design roof slopes to
compliment topographic
contours
-Avoid downhill cantilevers,
exposed crawlspace areas,
exposed foundations, and
exposed tall support poles.
Page
27
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
HILLSIDE INTEGRATION
/ This home is integrated into the hillside, rather than
grading a flat building pad with excessive cut and
fill.
s------
Although this property is located above the
,// neighbor's property, the setback of the home and
the preservation of existing trees reduce privacy
impacts on the neighbor.
Site Plannin
This structure has been sited perpendicular to the
site's contours, requiring unnecessary grading.
By minimizing the setback and placing the
xbalcony near the neighbor's property, the
design of this structure creates privacy impacts
for the neighbor.
Design
Techniques
• Build within the site's natural
contours to minimize
grading
• Minimize the visual impact of
multiple structures on a site
• Minimize the number of
detached structures
• Minimize large, continuous
paved areas
• Blend parking areas with
environment
• Screen mechanical
equipment
• Minimize privacy impacts
when building on hillsides
• Integrate fences and walls
with structures and natural
setting
• Break retaining walls into a
few low height segments
• Limit the number and
intensity of light sources
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook
Page
28
HILLSIDE INTEGRATION
The rooflines of this structure follow the natural
contours of the site and the stone accents help blend
the home into the natural setting.
V/ / The siding materials of this home compliment the
natural setting and landscaping.
Buildina Desian
s
Although the basement garage is sunk into the hillside,
this home has the appearance of a three -story from the
street.
Maxmizing the height and floor area of this structure creates
a home that is out of scale with the natural hillside setting.
Design
Techniques
• Do not design to attract
attention or stand out
• Select exterior colors and
siding materials that blend
with the natural terrain
• Select roof colors and
materials that blend with the
natural terrain
• Use earth tone colors on
foundation and lower
portions of the structure
• Avoid light, bright, or
reflective colors that contrast
with the natural terrain
• Design roof and building
lines that follow the natural
contours of the site
• Avoid large attic spaces
that increase the height of a
structure
• Minimize the height and
visual impact of crawl space
areas
Page
29
City of Saratoga • Single - Family Residential Design Guidelines • Design Review Handbook