No particular architectural “style” is required
for residential structures. However, the City encourages quality architectural
design, with a distinct variation, yet integration to develop a sense
and appearance of community. Residences designed with a Southwestern,
Mission, or Mediterranean style will respond to the varying temperatures
and outdoor living opportunities of the desert. In general, the architecture
should consider compatibility with surrounding character, including
harmonious building style, form, size, color, material, and roofline.
Individual dwelling units should be distinguishable from one another.
A. Façade
and Roof Articulation.
1. Thoughtful
space planning for interior and exterior areas should also include
consideration for the resulting building envelope. Façades
and the massing of structures should provide variety, proportion and
interest. Long uninterrupted exterior walls should be avoided on all
structures. For every 20 lineal feet of an exterior wall, an architectural
feature should be integrated. Varying or articulating the façade
also increases opportunities for tying the structure to the site through
the use of landscape materials. Appropriate textures, a variety of
spatial relief, and design accents on building walls can enhance the
integration of the building into the neighborhood.
2. Roofline
articulation is encouraged for sloped roofs. Parapets and cornices
on flat roofs should be finished with architectural moldings that
are appropriate in terms of style and proportion. Roof design must
be an integral part of the building architecture. Roof articulation
may be achieved by changes in plane of no less than 2 feet 6 inches
and/or the use of traditional roof forms such as gables, hips, and
dormers. Flat roofs and A-frame type roofs are generally discouraged
unless appropriate to the overall architectural style being promoted.
B. Varied
Structure Design. Much of recent residential design has been dominated
by large tract development with a limited number of models and regimented
development standards. To avoid this “cookie cutter” look
in single-family development, the design of structures should be varied
in tract developments to create variety and interest. Differences
in massing and design approaches of each adjacent house should be
accomplished. Generally, 1 residential design should not be repeated
more frequently than each fourth house.
C. Attached
Dwellings.
1. Attached
single-family dwellings should be designed and located on the lot
to enhance their appearance as custom homes.
2. Lengthening
the street elevation through the use of walls or other features may
frequently be appropriate, can reduce the visual impact of garage
doors, and can provide private open space areas screened from traffic
and noise.
3. Driveways
should be grouped with a separating planting strip to provide clear
definition and maximum effective landscape areas.
4. The
street portion of garages should have a single-story appearance, while
allowing the building to step back in an appropriate architectural
transition for 2-story structures. Garages shall be set back from
the street sufficiently to allow driveway parking without overhanging
the sidewalk; on public streets the minimum setback shall be 20 feet
behind the public right-of-way.
D. Scale.
Proportion is the essence of good design. The variety and size of
massing and shapes designed into a building shall be scaled to one
another and shall relate to the use of the structure as a single-family
residence.
E. Finish
Materials.
1. Finish
materials to be used on the façades of structures and garage
doors is important in providing a functional and attractive living
space. The selection of finish materials should be consistent with
a direct outgrowth of the architectural concept for the building.
The use of tile roofing materials is particularly appropriate for
residences designed in Spanish, Mission, Southwestern, and Mediter-ranean
architecture.
2. Materials
to be avoided include: metal or aluminum siding and most metal roofs,
reflective materials and finishes, and unfinished concrete block.
Exposed wood should be properly finished and stained rather than painted
to assure maximum life of the coating in the desert environment.
3. Stucco
is the predominant finish material on new homes. When applied in new
development, the finish texture shall be consistent with the architectural
style of the building. For instance, Adobe or Southwestern style architecture
will typically have a smooth, hand-finished stucco appearance. A “sack
finish” over slumpstone is also an appropriate finish. More
conventional home designs will use an “orange peel” finish
consistent with the crisp lines of these residences.
F. Vents
and Downspouts. Frequently and unnecessarily a functional afterthought
are roof and side wall vents, flashings, and downspouts. These and
other protrusions from the building envelope should be finished to
match the adjacent materials and/or colors. Sidewall vents should
be framed in to make them an integral part of the elevation and should
be finished (stucco, etc.) consistent with the treatment of the façade.
Flashing shall be obscured or coated in a manner that reduces contrast
and enhances its compatibility with the adjoining roof or wall treatment.
G. Equipment
Screening. Heating, ventilation, and air conditioning (HVAC) or other
type of equipment shall be mounted on the side of the structure or
on the ground. No roof-mounted equipment shall be permitted. All HVAC
and similar equipment must be visually and acoustically screened.
Screens shall be designed and constructed to intercept both equipment
view and noise. The method of screening must be functionally and architecturally
compatible in terms of materials, color, shape, and size. The screening
design shall blend with the building design. Where individual equipment
is provided, a continuous screen is desirable.
H. Accessory
Structures. Accessory structures (guesthouses, cabanas, barns, storage
sheds, etc.) shall be designed in a manner that is architecturally
compatible with the main structure in terms of design and the use
of walls/roofs/trellises, fence/wall connections, and/or landscaping.
I. Garage
Doors. In new construction the design and construction of garage doors
shall be to integrate these into the walls, rather than flush with
the exterior wall. Garage door framing should be kept simple, clean,
and with limited adornment. Garage doors shall be steel or aluminum
framed and preferably a roll-up type of design. In tract subdivisions,
a variety of compatible designs should be used throughout a project
to enhance visual interest. The design of the garage door should relate
to the particular architectural style selected.
J. Lighting
Fixtures/Intensity. Lighting fixtures on single-family homes serve
safety and convenience, as security devices, and as integral design
elements of the home. Garage-mounted lighting should be carriage-type
or equivalent in scale that is consistent with the architectural style
and proportions of the home. The use of flood security lighting shall
be screened or shielded to avoid spilling onto adjoining properties
and streets. In all instances, lighting levels shall be kept to that
minimum necessary to illuminate paths and walkways, while providing
their security function.
(Prior code § 159.04.050(4); Ord. 787 9-19-23)