1.1 Farm Animal.
Sonoma County Municipal Code · 2026-09 edition · updated 2026-09-27 · Sonoma County
Any animal, other than wild or exotic, customarily kept or raised by humans for companion and/or commercial purposes.
1.2.
Farm Equipment and Supplies Sales and Rental. See Section 26-26-050 for definition and development standards.
Farm Family Dwelling. An additional single-family dwelling incidental to the main dwelling in terms of size, location and architecture which is not leased, subleased, rented or subrented separately from the main dwelling nor divided by sale, and which is inhabited by a member of the farm operator's family.
2.5.
Farm Stand. See Section 26-18-150 for definition and development standards.
Farm Retail Sales Facility. A small-scale retail facility for year-round sales of agricultural products grown or raised on the site or other properties owned or leased by the farm operator, and pre-packaged goods processed from onsite agricultural production, excluding alcoholic products. See use regulation 26-18-140. See also tasting room or farm stand.
Farmworker. See "agricultural employee."
Farmworker Housing. See Section 26-24-120 for definition and development standards.
Feed Yard/Lot. Corrals or holding areas for the primary purpose of holding or feeding animals for market and not incidental to a farm or ranch.
Fertilizer Plants. See Section 26-20-030 for definition and development standards.
Final Inspection. The same meaning as described in the Uniform Building Code, as modified and adopted in Chapter 7 of the county code.
8.5.
Firewood Yard. See Section 26-20-030 for definition and development standards.
First Time Home-Buyer. As defined by the CDC and set forth in its Sonoma County Affordable Housing Program Homeownership Policies, available at the offices of the CDC.
Flood Proof Structure. A structure which, in the opinion of the chief engineer of the Sonoma County water agency and the county building inspector, is designed and constructed to resist flotation, destruction, or major damage by the maximum flood predicted for the structure site.
Flood, Selected. The magnitude of flood to be used for establishing minimum flood profile levels and designating the outer limits of the part of the flood plain to be regulated, i.e., the outer limits of the floodway (F1) and floodplain (F2) districts. The selected flood shall be determined by the planning commission and the board of supervisors upon recommendation by the chief engineer of the Sonoma County water agency.
Floodway. The portion of the stream channel and the adjacent flood plain that must be reserved in order to discharge the selected flood without cumulatively increasing the water surface more than one foot (1′).
Forest Practice Rules. The California Forest Practice Rules, California Code of Regulations, Title 14, Division 1.5, Chapter 4.
Freestanding Commercial Telecommunication Facility. A telecommunication facility which is operated in whole or part for commercial purposes such as mobile radio services, cellular telephone services, TV and radio broadcast, personal communication services, but which is not affixed, fastened, or joined to a residence, business, or similar structure. A facility which includes an antenna(s) placed upon a tower which is attached to a structure is considered to be a freestanding facility. Telecommunication facilities operated in whole or part by public agencies are included in this category. However, a telecommunication facility installed by a public utility for the sole purpose of monitoring and protecting its gas and electric facilities shall not be considered a telecommunication facility and shall be exempt from the telecommunication standards of this chapter.
a.
Major Facility. Such facility which involves a combination of towers and antennas greater than one hundred thirty feet (130′) in height.
b.
Intermediate Facility. Such facility which involves a combination of towers and antennas greater than forty feet (40′) and less than or equal to one hundred thirty feet (130′) in height.
c.
Minor Facility. Such facility which involves a combination of towers and antennas less than or equal to forty feet (40′) in height.
Freeway. Any expressway or limited access highway, as those terms are defined by the Streets and Highways Code of the State.
Fuel Cell. An advanced energy conversion device that combines hydrogen-bearing fuels with airborne oxygen in an electrochemical reaction to produce electricity very efficiently and with minimal environmental effects.
Fuel Dealers. See Section 26-26-070 for definition and development standards.
Fuel Station, Retail. A retail facility that sells gasoline or diesel to the public for the purposes of fueling motor vehicles, or gasoline powered tools or appliances.
Fuel Station, Non-Retail. Fossil fuel dispensing equipment operated solely by an owner, business, or agricultural operation to support that owner, business, or agricultural operation's own legally established uses, but not including any equipment used to provide fuel for sale to the public.
G.
"G" Terms.
Garage. An accessible and usable covered parking space of not less than ten feet (10′) by twenty feet (20′) for storage of automobiles, such garage to be located on the lot so as to meet the requirements of this chapter for an accessory building.
Garden Apartments. An apartment building with a minimum of two thousand (2,000) square feet of building area per dwelling unit together with outdoor living or recreation space with planting and landscaping.
Gasoline service station. See "fuel station."
General Plan. The current adopted version of the Sonoma County General Plan.
4.5.
General Retail. See Section 26-26-090 for definition and development standards.
Geothermal. Natural heat from within the earth, captured for production of electrical power.
5.5.
Golf Course. See Section 26-22-100 for definition and development standards.
5.6.
Greenhouse. A permanent structure, including glasshouses, conservatories, hothouses, or other similar structures for the covered propagation and growing of plants, constructed with a translucent roof and/or walls.
Guest House. See Section 26-24-170 for definition and development standards.
H.
"H" Terms.
Hardrock Quarry Operations. Processed or crushed rock operations which entail the extraction, stockpiling, processing and sale of bedrock geologic deposits.
1.5.
Heavy Equipment Sales and Rentals. See Section 26-26-100 for definition and development standards.
Height of Buildings. The vertical distance from the average level of the highest and lowest point of that portion of the lot covered by the building to the topmost point of the roof.
Home Occupation. The conduct of a business within a dwelling unit or accessory structure by occupants of the dwelling, with the business activity being subordinate to the residential use of the site. All home occupations shall be conducted in accordance with Section 26-88-121.
3.1.
Homeless Shelter. See Section 26-28-090 for definition and development standards.
3.2.
Hoop House - Cannabis. A temporary structure used for season extension or crop protection erected for less than one hundred eighty (180) days. Hoop houses do not include light deprivation, ventilation, artificial lighting, or any electrical components. The ends are left open and the material covering the structure is removable.
3.3.
Horse Boarding. See Section 26-28-100 for definition and development standards.
Housing Opportunity Area. A parcel or parcels of land designated by the County for affordable housing in compliance with the general plan housing element and Section 26.89.050(F).
Hybrid Alternative Energy Facilities. An alternative energy system using one or more renewable fuel sources to provide electricity, gas, or heat energy. Batteries or fuel cells may be a part of a hybrid alternative energy facility.
I.
"I" Terms.
Important Farmland. Lands mapped by the state Farmlands Mapping and Monitoring Program (FMMP) as prime farmland, farmland of statewide importance, or unique farmlands. Does not include lands mapped by the FMMP as farmlands of local importance unless specifically noted.
Incentive. For purposes of Article 89 (affordable housing program requirements and incentives), a modification of zoning code requirements (e.g., minimum open space, minimum lot size, setbacks, parking standards); or an allowance of other regulatory incentives or measures granted in exchange for the provision of affordable ownership housing or affordable rental housing pursuant to Section 26.89.060.
Incidental Use. See "secondary use."
3.5.
Indoor Crop Cultivation. See Section 26-18-160 for definition and development standards.
Indoor Recreation. See "commercial recreation facility, indoor."
Infill Development. A dwelling group, consisting of detached single-family dwellings or manufactured homes, on a single parcel located in an R1 low density residential district. The number of dwelling units within such dwelling group shall not exceed the maximum residential density permitted by the general plan land use element.
Institutional Use. Any use, commonly consisting of offices, churches, public buildings, financial institutions, etc., whose function does not involve direct on- site sales of products or personal services.
Instream Operations. Sand and gravel operations which entail the extraction and sale of sand and gravel from stream and river channels.
Intensity of Development. The floor area or floor area ratio of a development.
J.
"J" Terms.
Junior Accessory Dwelling Unit (JADU). See Section 26-24-190 for definition and development standards.
Junkyard. Any land or lot where more than one hundred (100) square feet of the area or where any portion of that land or lot which adjoins any public or private street or road is used for the storage of junk, including scrap metals, salvage or other scrap materials, or for the dismantling or wrecking of automobiles or other vehicles or machinery, whether for sale or storage.
K.
"K" Terms.
Kennel Animal. Any dog or cat kept at a commercial kennel or pet fancier kennel.
Kitchen. A kitchen means an area within a structure that is used or designed to be used for the preparation or cooking of food and that contains one (1) or both of the following:
a.
Cooking appliances or rough-in facilities including, but not limited to: ovens, convection ovens, stoves, stove-tops, built-in grills or microwave ovens or similar appliances, 240-volt electrical outlets or any gas lines; or
b.
A sink less than eighteen inches (18") in depth with a waste line drain one and one-half inches (1½") or greater in diameter AND a refrigerator exceeding five (5) cubic feet in capacity or space with an electrical outlet that may reasonably be used for a refrigerator exceeding five (5) cubic feet in capacity.
L.
"L" Terms.
Laboratories. See Section 26-20-040 for definition and development standards.
1.1.
Land and Resource Management. See Section 26-18-170 for definition and development standards.
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