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Alameda County, CA Noise from Specific Sources: Delivery Truck Noise (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Restricted hours
9 p.m.–6 a.m.
Trigger
Noise disturbance across property line
Applies to
Unincorporated areas only
Enforced by
Peace officers / county

Summary

Unincorporated Alameda County bars loading and unloading of crates, containers, or trash cans between 9 p.m. and 6 a.m. if it disturbs a neighbor's residential property.

City-specific rules exist: Livermore, Berkeley, and Oakland have their own delivery truck noise rules that differ from Alameda County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

Loading and Unloading. Loading, unloading, opening, closing or other handling of boxes, crates, containers, building materials, garbage cans, or similar objects between the hours of nine p.m. and six a.m. in such a manner as to cause a noise disturbance across a residential real property line or at any time to violate the provisions of Section 6.60.040.

Full Breakdown

In unincorporated Alameda County, the county code prohibits loading, unloading, opening, closing, or otherwise handling boxes, crates, containers, building materials, or garbage cans between 9:00 p.m. and 6:00 a.m. whenever doing so causes a noise disturbance across a residential property line. Outside that window, the activity can still violate the county's general exterior noise level standards. This applies only to unincorporated communities such as Castro Valley, San Lorenzo, Ashland, and Cherryland, it does not reach Oakland, Berkeley, Fremont, Hayward, or any of the county's other incorporated cities, each of which sets its own delivery-hour noise rules.

Violations & Fines

Peace officers and the director of environmental health enforce the chapter; violations are infractions or misdemeanors, with each day a separate offense.

Frequently Asked Questions

Does this apply inside Oakland or Hayward?
No. It governs only unincorporated Alameda County, such as Castro Valley and San Lorenzo: incorporated cities enforce their own codes.
Can trucks load during the day?
Yes, the 9 p.m.–6 a.m. restriction doesn't apply, though loading noise can still violate the county's general exterior noise standards at any hour.

Sources & Official References

Other rules in Alameda County

All Alameda County rules

California rules heatmap·Compare Alameda County to another location·View the California noise from specific sources overview

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Delivery Truck Noise in Cities Across Alameda County