Historic Preservation in Marin County, CA (2026)
1 county-level rule, plus city-specific rules for 1 city in Marin County, California.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Marin County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Historic-Cultural Monuments
Marin County Code § 19.23.020 defines and registers "architecturally significant" structures and features, a locally designated status that unlocks voluntary alternative building standards for their preservation rather than a mandatory landmark-protection scheme.
Marin County Architecturally Significant Structures
Light RestrictionsMarin County Code of Ordinances § 19.23.020
(a)Architecturally significant structure is any existing or future structure or property, collection of structures, and their related sites deemed to have present or future local importance to the history, architecture or culture of an area pursuant to California Health and Safety Code Section 18955 and inventoried along with its significant features within the Marin County register of architec...
Historic Preservation by City in Marin County
1 cities in Marin County have their own historic preservation rules. Each link goes to that city's dedicated page with code citations.
All Marin County ordinances
See every category we cover for Marin County: parking, noise, fences, fires, animals, pools, and more.
Marin County Ordinance Hub →