Artificial Turf: Redwood City vs San Mateo
How do artificial turf rules compare between Redwood City, CA and San Mateo, CA?
Redwood City and San Mateo have similar restriction levels.
Redwood City, CA
San Mateo County
Unincorporated San Mateo County does not ban or specifically permit-regulate artificial turf on private property, and the County's WELO governs water budgets without mandating or prohibiting synthetic turf. A right-of-way permit is needed only if turf extends into the public parkway. California law (Civil Code 4735) bars HOAs from prohibiting water-efficient landscaping.
View full Redwood City rules →San Mateo, CA
San Mateo County
Artificial turf is permitted in San Mateo. California Government Code 65595 prohibits cities from requiring natural grass. HOAs cannot prohibit water-efficient landscaping under Civil Code 4735. Cal Water may offer rebates for turf replacement.
View full San Mateo rules →Key Facts Comparison
| Fact | Redwood City | San Mateo |
|---|---|---|
| County ban on artificial turf | None identified | - |
| WELO effect | Governs water budget; does not ban/mandate turf | - |
| Private-property permit | Generally not required | - |
| Right-of-way | Public Works permit if turf enters parkway | - |
| HOA protection | CA Civil Code 4735 | - |
| Permit | - | Generally not required |
| State Protection | - | CA Gov Code §65595 |
| HOA Protection | - | CA Civil Code §4735 |
| Water District | - | Cal Water — check rebates |
| Drainage | - | Must maintain proper drainage |
Highlighted rows indicate differences between cities.
Redwood City FAQ
Can I install artificial turf in unincorporated San Mateo County?
Yes. The County does not ban synthetic turf on private property and WELO does not prohibit it. You only need a Public Works permit if the turf extends into the public right-of-way or parkway.
Can my HOA force me to keep a real lawn?
No. California Civil Code 4735 prevents HOAs from prohibiting water-efficient landscaping, and limits penalizing owners who reduce watering during a declared drought emergency.
San Mateo FAQ
Can I install artificial turf in San Mateo?
Yes. State law prevents the city or your HOA from requiring natural grass. Proper drainage must be maintained.
Are there rebates available?
Cal Water (California Water Service), which serves San Mateo, may offer turf replacement rebates. Check their current programs.
Can my HOA prohibit artificial turf?
No. California Civil Code Section 4735 prevents HOAs from banning water-efficient landscaping including artificial turf.
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