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 regulates maximum building and structure heights through the zoning code. Typical residential zones allow 35 feet or 2.5 stories, whichever is less. Height is measured from average finished grade to the highest point of the roof. Chimneys, antennas, and mechanical equipment may be exempt up to a limited additional height. Commercial and mixed-use zones may allow greater heights. Planned unit developments may negotiate alternative height standards. Height variances require zoning board review.
Exceeding height limit: stop-work order. Required to reduce height or obtain variance. Fines $250 to $2,000.
Downey, CA
Downey regulates leaf blower noise under its general noise ordinance. Gas-powered leaf blowers must comply with the 85 dBA construction equipment limit and o...
Downey, CA
Downey prohibits amplified music that exceeds ambient noise levels by more than 5 dBA at the property line. Quiet hours from 10 PM to 7 AM carry stricter lim...
Downey, CA
Industrial noise in Downey must not exceed established ambient levels by more than 5 dBA at the receiving property line. Corrective factors apply during dayt...
Downey, CA
California law (AB 1236) requires streamlined permitting for EV charging stations. Downey must provide expedited permits for residential EVSE installations. ...
Downey, CA
Driveway modifications in Downey require approval from Planning and possibly Engineering. Paving projects in the front yard area must meet development standa...
Downey, CA
Downey restricts oversized vehicle parking on public and residential streets. RVs must obtain permits under DMC 3182.5. Emergency parking allowed for 24 hour...
Side-by-side rule comparisons with other cities in Los Angeles County.
See how other cities in Los Angeles County handle structure height limits.
See how Downey's structure height limits rules stack up against other locations.
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