Building Setbacks & Zoning in Downey, CA (2026)
3 verified building setbacks & zoning rules for Downey, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
Downey building setbacks vary by zone. ADUs require 4 ft side/rear setbacks. Front setbacks established by Planning Commission where necessary. No building may encroach into required yards without approval.
Downey Property Setback Requirements
Some RestrictionsStructure Height Limits
Downey limits single-family homes to 16 ft / 1 story on lots over 2,000 sq ft, and 22 ft / 2 stories on smaller lots. Temporary structures limited to 7 ft. Accessory structures under 120 sq ft may be permit-exempt.
Downey Structure Height Limits
Some RestrictionsLot Coverage Limits
Lot coverage in Downey is regulated by zone. No building may occupy a greater percentage of lot area than specified for its zone. Open space required for one building cannot count toward another.
Downey Maximum Lot Coverage Limits
Some RestrictionsLooking for Los Angeles County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Downey city rules.
Building Setbacks & Zoning in Los Angeles County →