Union City, CA · zoning record
The dimensional standards that govern what you can build in the R 5000 district, straight from Union City's ordinance, with every figure quoting its source. Check a specific address to see how these rules apply to a real lot.
Free · Every figure cited · Read from the current code (2026-10-03)
These are the letter-of-the-law limits for the base R 5000 district. Overlays (historic, neighborhood plan, and similar) can tighten them; a specific address check resolves the overlays that actually apply.
Required space from a side line.
“Interior Side Yard Setback 10% of lot width (6) 10% of lot width (6) 5 ft. 10% of lot width (6) 10% of lot width (6) 10% of lot width (6)”table › Min. Lot Width (interior/corner) › Interior Side Yard Setback › R 5,000 column · Union City code · read 2026-10-03
Required space from the rear line.
“Rear Yard Setback 20 ft. (7) 15 ft. (8) 10 ft. 20 ft. (7) 20 ft. (7) 20 ft. (7)”table › Min. Lot Width (interior/corner) › Exterior Side Yard Setback › Rear Yard Setback › R 5,000 column · Union City code · read 2026-10-03
Every figure above is quoted verbatim from the current ordinance. We never substitute a typical-for-zone default: a field absent from the record shows nothing, not a guess.
See how these standards resolve on a specific parcel, with the overlays that actually apply, in about 20 seconds.
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