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Alameda County, CA Noise Ordinances: Leaf Blower Rules (2026)

Heavy Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified April 2026

Key Facts

Allowed hours weekdays
7am to 7pm
Allowed hours weekends
8am to 6pm
Gas blower sale ban
AB 1346 effective 2024
Enforcement agency
CARB and Sheriff
Electric blowers
Permitted in standard hours

Summary

Alameda County unincorporated areas allow leaf blowers during general construction/maintenance hours. California AB 1346 has banned the sale of new gas-powered leaf blowers statewide since 2024, though use of existing equipment is not prohibited.

City-specific rules exist: San Leandro, Castro Valley, Hayward, Oakland, Berkeley, Fremont, and Livermore have their own leaf blower rules rules that differ from Alameda County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

Small Off-Road Engines (SORE) are spark-ignition engines rated at or below 19 kilowatts. Engines in this category are used in lawn and garden equipment as well as other outdoor power equipment and specialty vehicles. Incentive programs are available throughout California to help you purchase zero-emission lawn and garden equipment.

Source: CARB Small Off-Road Engines (AB 1346)View official code

Full Breakdown

Alameda County Code regulates leaf blowers primarily through the noise ordinance and construction-hour restrictions rather than a standalone blower ban. Use is generally permitted weekdays 7am to 7pm and weekends 8am to 6pm in unincorporated areas. Statewide, California AB 1346 (signed 2021) prohibited the sale of new small off-road gas engines including gas leaf blowers beginning in 2024, enforced by CARB. Several Alameda cities such as Berkeley and Piedmont have adopted stricter local bans on gas blowers. In unincorporated zones the county relies on decibel limits, time-of-day restrictions, and nuisance complaints. Electric and battery blowers are encouraged and are not restricted beyond general noise rules.

Frequently Asked Questions

Can I still use my existing gas leaf blower?
Yes. AB 1346 bans the sale of new gas blowers but does not prohibit using equipment you already own, subject to local noise rules.
Do leaf blowers have a decibel limit?
They must comply with the county noise ordinance general residential decibel limits, typically 60 dBA daytime at the property line.

Sources & Official References

Other rules in Alameda County

Quiet HoursSome RestrictionsConstruction HoursSome RestrictionsAmplified Music & Outdoor SoundSome RestrictionsBarking DogsSome RestrictionsVehicle NoiseSome RestrictionsDecibel LimitsSome RestrictionsParking Rules: Commercial & Oversized VehiclesSignificant RestrictionsParking Rules: Preferential Parking DistrictsSome RestrictionsParking Rules: Loading ZonesSome RestrictionsLandscaping Rules: Tree Removal & Heritage TreesSome RestrictionsWater Use Rules: Recycled Water RulesLight RestrictionsHistoric Preservation: Historic-Cultural MonumentsSignificant Restrictions

All Alameda County rules

How Alameda County compares: Cities with the Strictest Leaf Blower Rules·California rules heatmap·Compare Alameda County to another location·View the California noise ordinances overview

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Leaf Blower Rules in Cities Across Alameda County

Oakland, CAFremont, CAHayward, CABerkeley, CASan Leandro, CALivermore, CACastro Valley, CA