San Diego County, CA Parking Rules: Commercial & Oversized Vehicles (2026)
Key Facts
- Weight threshold
- Over 1 ton capacity
- Time limit
- 5 consecutive hours max even if exempt
- Zones covered
- Residential, Agricultural, S90/S92 Special Purpose
- Exemptions
- RVs and on-site farm equipment excluded
- Scope
- Unincorporated county only, not incorporated cities
Summary
Unincorporated San Diego County bars parking any commercial vehicle over one ton on private property in residential, agricultural, and S90/S92 zones for more than five consecutive hours, per Zoning Ordinance Section 6799.
No person shall park any commercial vehicle in excess of one ton capacity on private property in Residential, Agricultural and the S90 and S92 Special Purpose Zones except as follows: a. When loading or unloading property, or b. When such vehicle is parked in connection with, and in aid of, the performance of a service to or on property in the block in which such vehicle is parked. ... no commercial vehicle shall remain parked in excess of five consecutive hours. Section 6799 does not apply to recreational vehicles or farm vehicles or equipment.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-141: Administrative: Current through Ord. No. 11007 (N.S.), effective 7-10-26 | Regulatory: Current through Ord. No. 11008 (N.S.), effective 7-24-26).
Full Breakdown
Section 6799 of the county's Zoning Ordinance prohibits parking a commercial vehicle over one ton capacity on private property zoned Residential, Agricultural, or S90/S92 Special Purpose in unincorporated San Diego County. Loading, unloading, and vehicles performing a service on the same block are exempt, but even exempt vehicles cannot exceed five consecutive hours parked. Recreational vehicles and farm equipment used in on-site agricultural production are excluded entirely. In Agricultural and S90/S92 zones, an owner-operator running a commercial agricultural operation may keep up to two vehicles of up to two tons on the property. The rule applies only outside the county's 18 incorporated cities.
Violations & Fines
Violating Section 6799 is a zoning code violation; County Code Compliance can cite the property owner and require the vehicle's removal, and repeat violations may lead to further zoning enforcement action.
Frequently Asked Questions
Can I park my work truck in my driveway overnight in unincorporated San Diego County?
Does this rule apply to RVs or trailers?
Does this apply inside the City of San Diego?
Sources & Official References
Other rules in San Diego County
California rules heatmap·Compare San Diego County to another location·View the California parking rules overview
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