Right to Farm in Marin County, CA (2026)
2 rules for unincorporated Marin County, California.
Verified from official government sources
Farm Nuisance Protection
Marin County Code Chapter 23.03 shields established commercial farms from nuisance lawsuits over noise, odor, dust, and machinery, and requires the county to disclose that risk to buyers of property on or near agricultural land before any sale closes.
Marin County Right-to-Farm Nuisance Shield
Some RestrictionsMarin County Code of Ordinances § 23.03.040
No agricultural activity, operation or facility or appurtenances thereof, on agricultural land, conducted or maintained for commercial purposes, and in a manner consistent with proper and accepted customs and standards and with all chapters of this code as established and followed by similar agricultural operations, shall be or become a nuisance, pursuant to this code, if it was not a nuisance ...
Agricultural Zoning Protection
Unincorporated Marin County protects farmland through eight A (Agriculture and Conservation) districts, an A2 (Agriculture, Limited) district, and the ARP planned district, each carrying minimum lot sizes from 2 acres up to 60 acres and clustering rules that keep non-farm development off productive land.
Marin County Agricultural Zoning Districts
Some RestrictionsMarin County Code of Ordinances § 22.08.040.C
In A districts (A3 to A60) and in ARP districts, non-agricultural development shall be clustered to retain the maximum amount of land in agricultural production or available for future agricultural use. Homes, roads, residential support facilities, and other non-agricultural development, shall be clustered on no more than five percent of the gross acreage, to the extent feasible, with the remai...
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