Leaf Blower Rules: Daly City vs South San Francisco
How do leaf blower rules rules compare between Daly City, CA and South San Francisco, CA?
Daly City and South San Francisco have similar restriction levels.
Daly City, CA
San Mateo County
No Daly City-specific ordinance directly addresses leaf blowers; the municipal code's only noise controls are the general disturbing-the-peace rules of Chapter 9.22, so blowers cannot be run audibly off-property from 10:00 p.m. to 6:00 a.m. State law now requires new small engines to be zero-emission.
View full Daly City rules →South San Francisco, CA
San Mateo County
Unincorporated San Mateo County has no dedicated gas-powered leaf blower ban or specific leaf-blower ordinance; the recent leaf-blower bans and electric-blower rebate programs are city-level (e.g., City of San Mateo, Atherton, Redwood City). In unincorporated areas, blowers are governed by the general Chapter 4.88 noise standards.
View full South San Francisco rules →Key Facts Comparison
| Fact | Daly City | South San Francisco |
|---|---|---|
| Local leaf blower ordinance | None | - |
| Practical limit | Quiet hours 10:00 p.m.-6:00 a.m. | - |
| Gas equipment sales | New small engines zero-emission (2024+) | - |
| State law | Health and Safety Code 43018.11 | CARB / AB 1346 phase-out of new gas SORE sales |
| County leaf-blower ban | - | None in unincorporated areas |
| City bans | - | City-level only (e.g., City of San Mateo) |
| Governing county rule | - | Code 4.88.330 / 4.88.350 |
| Enforcement | - | Sheriff / Code Enforcement (650) 363-4825 |
Highlighted rows indicate differences between cities.
Daly City FAQ
Are gas leaf blowers banned in Daly City?
No local ban exists. California's HSC 43018.11 directed CARB to bar emissions from new small off-road engines produced on or after January 1, 2024, which phases out sales of new gas blowers but does not prohibit using existing ones.
When can landscapers run leaf blowers in Daly City?
Any hours outside the 10:00 p.m.-6:00 a.m. quiet period, provided the noise does not disturb the public peace under Section 9.22.010. The city sets no specific daytime equipment hours.
South San Francisco FAQ
Are gas leaf blowers banned in unincorporated San Mateo County?
There is no specific county ban for unincorporated areas. Leaf-blower bans in the region are adopted by individual cities such as the City of San Mateo; unincorporated areas rely on the general noise standards in County Code Chapter 4.88.
Does any state law affect leaf blowers?
California's CARB regulations (under AB 1346) phase out the sale of new gas-powered small off-road engines, but that controls new equipment sales statewide rather than imposing county use hours.
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