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Alameda County, CA Parking Rules: Overnight Parking (2026)

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

Key Facts

72-Hour Rule
CVC 22651(k) allows tow after 72 hours in same spot
Enforcement
Alameda County Sheriffs Office
RVs
Additional residential street restrictions apply
Report
(510) 667-7721 non-emergency

Summary

Alameda County unincorporated areas generally allow overnight street parking but prohibit storing vehicles in one spot over 72 hours per CVC 22651(k). Oversized vehicles and RVs face stricter limits.

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

(k) If a vehicle is parked or left standing upon a highway for 72 or more consecutive hours in violation of a local ordinance authorizing removal. (l) If a vehicle is illegally parked on a highway in violation of a local ordinance forbidding standing or parking and the use of a highway, or a portion thereof, is necessary for the cleaning, repair, or construction of the highway... and signs giving notice that the vehicle may be removed are erected or placed at least 24 hours prior to the removal by a local authority pursuant to the ordinance.

Source: CA Vehicle Code 22651View official code

Full Breakdown

In Alameda County unincorporated areas, overnight parking on public streets is generally permitted, but California Vehicle Code 22651(k) allows removal of any vehicle parked in the same location for more than 72 consecutive hours. The County Sheriff enforces parking in unincorporated Castro Valley, Ashland, Cherryland, and San Lorenzo. Oversized vehicles, RVs, trailers, and commercial vehicles over specified lengths face additional restrictions in residential zones. Some neighborhoods have permit parking districts. Report abandoned or long-term parked vehicles to the Sheriffs non-emergency line at (510) 667-7721.

Frequently Asked Questions

Can I park overnight on the street in Castro Valley?
Yes, overnight parking is generally allowed, but you must move the vehicle at least every 72 hours or risk towing under CVC 22651(k).
Can I park my RV on the street?
RVs and oversized vehicles have additional restrictions in residential areas; check Alameda County Code Title 10 for specific length and duration limits.

Sources & Official References

Other rules in Alameda County

Street Parking LimitsSome RestrictionsAccessory Structures: ADU RulesSome RestrictionsRV & Boat ParkingSome RestrictionsAbandoned VehiclesSome RestrictionsLoading ZonesSome RestrictionsPreferential Parking DistrictsSome RestrictionsCommercial & Oversized VehiclesSignificant RestrictionsEV ChargingFew RestrictionsLandscaping Rules: Tree Removal & Heritage TreesSome RestrictionsWater Use Rules: Recycled Water RulesLight RestrictionsHistoric Preservation: Historic-Cultural MonumentsSignificant RestrictionsAccessory Structures: ADU Impact FeesFew RestrictionsSign Regulations: Window SignsSome Restrictions

All Alameda County rules

How Alameda County compares: Cities with the Strictest Overnight Parking Rules·California rules heatmap·Compare Alameda County to another location·View the California parking rules overview

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Overnight Parking in Cities Across Alameda County

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