Marin County Unincorporated

There are two categories of Accessory Dwelling Units, both with different criteria that apply as indicated below.

Category 1—Statewide Exemption: The Accessory Dwelling Unit does not exceed a floor area of 800 square feet, and has minimum rear and side yard setbacks of four feet; a front yard setback is not required. A detached Accessory Dwelling Unit shall not exceed a height of 18 feet above grade except that two additional feet may be allowed to match the roof pitch of the primary dwelling. An attached Accessory Dwelling Unit shall not exceed the maximum height allowed in the respective zoning district or 25 feet above grade, whichever is greater.

A property owner may voluntarily have existing building area recognized as a Junior Accessory Dwelling Unit if it meets all of the following eligibility criteria:

The unit shall be no more than 500 square feet in size and contained entirely within a single-family dwelling structure. The unit shall have a kitchenette but shall not have a kitchen. The unit shall have a separate entrance from the main entrance to the building, with an interior entry to the main living area if the unit does not contain a separate bathroom.

When allowed in the zoning district applicable to a site, see Section 22.10.030, specific residential accessory uses and structures are subject to the provisions of this Section.

Court lighting may be prohibited, as a condition of the Design Review approval. If allowed, the court lighting may be installed with a height not exceeding 10 feet, measured from the court surface. The lighting shall be directed downward, shall only illuminate the court, and shall not illuminate adjacent property.

The maximum residential density shall not exceed one unit per 1,450 square feet of lot area (30 units per acre). Required housing shall be provided at a minimum size of 220 square feet and a maximum size of 1,000 square feet per unit.

The maximum allowable floor area for retail sales shall be 175 square feet or 15 percent of the total floor area of the structure whichever is greater.

The retail sales of food and beverage products and other general merchandise in conjunction with a motor vehicle service station is allowed subject to Use Permit approval

Mobile slaughter facilities shall be set back a minimum of 100 feet from all property lines and rights-of-way. A mobile slaughter facility shall not operate on a single property for more than three consecutive days per week and 12 days per calendar month unless authorized to exceed this duration with a Temporary Use Permit.

Mobile slaughter facilities shall be set back a minimum of 100 feet from all property lines and rights-of-way.

The indoor area used for the poultry slaughter operation shall not exceed 5,000 square feet. The poultry processing operation shall not exceed the slaughter of 20,000 animals per year.

The indoor area used for the poultry slaughter operation shall not exceed 5,000 square feet.

Telecommunications facilities are allowed in all zoning districts, subject to the permit requirements described in Telecommunications Facilities Policy Plan Implementation Objectives RP-1 and RP-2

Telecommunications facilities are allowed in all zoning districts, subject to the permit requirements described in Telecommunications Facilities Policy Plan Implementation Objectives RP-1 and RP-2

It is unlawful for any person, firm, corporation, or public agency to allow, cause, or do any of the following on any of the tidelands without first obtaining any required land use permits from the County: Construct, deposit, or dump within, or fill with dirt, earth, garbage, mud, refuse, or any other material; Dredge, excavate, or remove any dirt, earth, gravel, mud, sand, or any other material; and/or Place or construct any breakwater, bulkhead, pier, wall, or other structure.

It is unlawful for any person, firm, corporation, or public agency to allow, cause, or do any of the following on any of the tidelands without first obtaining any required land use permits from the County:

a significant tobacco retailer may be established in the following zoning districts subject to securing a Use Permit or Master Plan where required: C1, CP, OP, H1, IP, C-H1, or C-CP. No significant tobacco retailer shall be located within 1,000 feet from a parcel occupied by the following uses: ...

a significant tobacco retailer may be established in the following zoning districts subject to securing a Use Permit or Master Plan where required: C1, CP, OP, H1, IP, C-H1, or C-CP.

Small, Medium, and Large WECS shall not result in a total noise level that exceeds 50 dBA during the daytime (7:00 a.m. to 10:00 p.m.) and 45 dBA during the nighttime (10:00 p.m. to 7:00 a.m.) as measured at any point along the common property lines of adjacent properties except during short-term events such as utility outages, severe weather events, and construction or maintenance operations.