Alameda County, CA Parking Rules: Overnight Parking (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.
(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.
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?
Can I park my RV on the street?
Sources & Official References
Other rules in Alameda County
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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