Article 08 — Residential Zones.
Sonoma County Municipal Code · 2026-09 edition · updated 2026-09-27 · Sonoma County
Sections in this part
Editor's note— Ord. No. 6335, § II, adopted February 9, 2021, repealed the former Art. 08, and § III(Exh. A) of the same ord. enacted a new article as set out herein. The former Art. 08 pertained to DA Diverse Agriculture District. See Ordinance List and Disposition Table for a detailed history of derivation.
Sec. 26-08-050. - Multifamily development standards.¶
A.
Applicability. The standards in this section apply in the residential zones to dwelling groups and multifamily structures involving four or more dwelling units.
B.
Underground Utilities.
All utility distribution facilities (including but not limited to electric, communication and cable television lines) installed in and for the purpose of supplying service to any residential development shall be placed underground, except for equipment appurtenant to underground facilities, (e.g., surface-mounted transformers, pedestal- mounted terminal boxes and meter cabinets, and concealed ducts).
The developer is responsible for complying with the requirements of this section, and shall make the necessary arrangements with the utility companies involved for the installation of the facilities.
C.
Landscaping. Landscaping shall be provided and perpetually maintained in all required yards for the life of the project.
D.
Drainage. Adequate drainage and stormwater management using low-impact development guidelines is required
E.
Refuse Collection Areas.
All refuse collection areas shall be enclosed on at least three (3) sides by a five-foot high wall, such wall to be constructed of masonry or other material as specifically approved by design and site plan review.
Alternate methods of refuse and recycling storage and screening thereof may be approved by the director.
F.
Parking.
To the extent possible, all off-street parking areas shall be screened from view of surrounding residents by a fence not less than four feet (4') in height, or by landscape materials having a normal growth of not less than four feet (4') in height.
All points of vehicular access and vehicular circulation to and from off-street parking areas and driveways and onto public rights of way shall be approved by the director of transportation and public works.
Unless an alternative permeable treatment is approved by the director of transportation and public works and design review, all off-street parking areas shall be paved with asphalt or its equivalent, and shall conform to the off-street parking design standards of Article 86. Use of alternative permeable surfaces is strongly encouraged wherever feasible in order to maintain or enhance groundwater absorption and recharge.
G.
Public Utilities. Public utilities and necessary easements shall be provided as required by applicable public utilities and agencies.
H.
Privacy.
Main buildings shall be placed such that privacy issues are minimized.
Building-to-building window placement shall be staggered, or otherwise designed to provide adequate privacy between the units, as determined by design and site plan review.
I.
Open/Recreational Space Requirement.
In developments of four (4) or more rental units on a single lot, a landscaped, usable open recreational and leisure area, totaling at least two hundred (200) square feet for each dwelling unit, shall be provided except that for projects limited to seniors, at least one hundred fifty (150) square feet of landscaped, usable open area shall be provided for each dwelling unit.
Landscaped areas shall be conveniently located and readily accessible to each dwelling unit, as determined by the review authority.
Private open space areas (i.e., patios and balconies) may be considered for up to 50 percent of the required open recreational and leisure area.
The following areas shall not be considered as contributing to the required recreational and leisure areas:
a.
Any required front or side yard.
b.
Any paved (non-permeable) area used for parking or vehicular circulation
c.
Any area with a dimension of less than six feet (6').
J.
Exterior Lighting.
Exterior lighting shall be low mounted, downward casting and fully shielded to prevent glare.
Lighting shall not wash out structures or any portions of the site.
Light fixtures shall not be located at the periphery of the property and shall not spill over onto adjacent properties or into the night sky.
Flood lights are not permitted.
All parking lot and street lights shall be full cut-off fixtures. Lighting shall shut of automatically after closing and security lighting shall be motion sensor activated.
K.
Water Conservation.
A water conservation plan including the best available conservation technologies or measures to reduce water demand to the maximum extent feasible including installation of recycled water plumbing, ultra low-flow fixtures, rainwater collection systems and graywater reuse.
Landscaping plans must comply with the county code Chapter 7D3 (Water Efficient Landscape).
Prior to building permit issuance, a landscape permit application shall be submitted for all new and rehabilitated landscapes, as required by county code Chapter 7D3. Verification from a qualified irrigation specialist that landscaping plan complies with Chapter 7D3 shall be provided prior to building permit issuance. The measures in the plan shall be implemented by the applicant and verified by department staff prior to certificate of occupancy or operation of the use.
L.
Vacation Rentals. No vacation rental, timeshares, or transient occupancies are allowed.
M.
Design Review. Prior to issuance of a building permit, design review approval is required for all dwelling groups, apartments, and similar residential developments with four (4) or more dwelling units.
(Ord. No. 6335, § III(Exh. A), 2-9-2021)
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