Building Setbacks & Zoning in Union City, CA (2026)
3 verified building setbacks & zoning rules for Union City, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
In the RS 6,000 single-family district, Union City requires a 20-foot front yard, a 20-foot rear yard, a 15-foot exterior side yard, and an interior side yard equal to 10% of lot width (5 to 10 feet). Other residential districts vary.
Union City Building Setback Rules
Some RestrictionsStructure Height Limits
Single-family dwellings in Union City are limited to 30 feet and two stories above average adjoining grade. Most multi-family RM districts also cap height at 30 feet, while the RM 1,500 district allows up to 75 feet.
Union City Structure Height Limits
Some RestrictionsLot Coverage Limits
Single-family RS and R-5000 districts in Union City cap lot coverage at 50%, while multi-family RM districts limit coverage to 40%. In the R-5000 district, one-story structures may cover up to 60%.
Union City Lot Coverage Limits
Some RestrictionsLooking for Alameda County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Union City city rules.
Building Setbacks & Zoning in Alameda County →