Tree Protection in San Mateo County, CA (2026)

1 county-level rule, plus city-specific rules for 1 city in San Mateo County, California.

Verified from official government sources

Note: These county rules apply to unincorporated areas of San Mateo County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Parkway Planting

New commercial development in North Fair Oaks' CMU-1 (Commercial Mixed Use-1) zoning district must plant street trees along any public sidewalk the project abuts, under Zoning Regulations Section 8.118.060(3)(b). Species come from a Department of Planning & Building tree list, installation follows Department of Public Works standards, and the developer or property manager must water each tree for at least three years.

San Mateo County CMU-1 Street Tree Rule

Some Restrictions

San Mateo County Zoning Regulations § 8.118.060(3)(b)

b. Street Trees (1) Development shall provide street trees along public sidewalks that abut the project, consistent with the provisions of the Department of Public Works' Tree Planting Application. Developments shall provide the maximum number of street trees that are consistent with the Department of Public Works' standards. The number of required trees may be reduced at the discretion of the ...

Full ordinance details →Official source ↗

Tree Protection by City in San Mateo County

1 cities in San Mateo County have their own tree protection rules. Each link goes to that city's dedicated page with code citations.

Redwood CityPop. 84,518

3 verified rules • Heritage & Protected Trees, Parkway Planting

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