Union City, CA Parking Rules: Commercial & Oversized Vehicles (2026)
Key Facts
- Length trigger
- over 20 feet
- Weight trigger
- GVWR 10,000+ lbs
- Where allowed
- only Council-designated streets
- Active-work exception
- loading, service, construction
Summary
Union City bars parking any vehicle longer than 20 feet or with a manufacturer's gross vehicle weight rating of 10,000 pounds or more on any street, highway, or alley at any time, unless the City Council has designated that location by resolution.
Vehicles having a length in excess of twenty feet and/or having a manufacturer's gross vehicle weight rating of ten thousand pounds or more shall not stop, stand or park on any highway, street or alley at any time except in areas designated by the City Council by resolution.
A. It is not a violation of this chapter to park said vehicles when such vehicles are:
1. Actively loading and unloading;
2. Actively performing a service activity on the adjacent lot or parcel of land;
3. Engaged in the construction of buildings or structures on the adjacent lot or parcel of land; or 4. Engaged in the construction or maintenance of a street, alley, parkway or highway.
B. The City Council may, by resolution, designate specific streets whereupon oversized vehicle parking will be permitted and may impose fees for said parking. (Ord. 69.3-69 § 1, 1969; Ord. 727-10 § 2, 2010)
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4940544; v16 updated 2026-06-23).
Full Breakdown
Section 10.36.195 sets a flat length/weight trigger, over 20 feet long and/or a GVWR of 10,000 pounds or more, that bars stopping, standing, or parking on any City street, highway, or alley at any time, except where the City Council designates specific streets by resolution (which may carry a parking fee). Narrow carve-outs exist for vehicles actively loading or unloading, performing a service call on the adjacent lot, or engaged in construction or street/utility maintenance work on or next to the parking location.
Violations & Fines
Parking an oversized vehicle outside a Council-designated street violates § 10.36.195; the vehicle is subject to citation regardless of time of day.
Frequently Asked Questions
Can I park my 24-foot RV on my street overnight?
Does the ban apply during the day too?
Sources & Official References
Other rules in Union City
California rules heatmap·Compare Union City to another location·View the California parking rules overview
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Commercial & Oversized Vehicles in Nearby Cities
How other cities in Alameda County handle commercial & oversized vehicles.