Costa Mesa Municipal Code Title 13 establishes noise standards that vary by zoning district. Industrial and commercial noise crossing into residential zones must meet the residential standard at the property line, enforced by Code Enforcement.
CMMC Section 13-280 through 13-286 establish exterior noise standards based on the zoning of the receiving property. Residential zones have lower permissible noise levels while commercial and industrial zones allow higher thresholds. When industrial or commercial operations generate noise that crosses into a residential zone, the residential standard applies at the receiving property line. The city has significant industrial and commercial areas along Harbor Boulevard, Baker Street, and the South Coast Metro area. Loading dock operations, HVAC equipment, and mechanical systems on commercial properties adjacent to homes are common complaint sources. SCAQMD also regulates certain industrial equipment noise. Code Enforcement at (714) 754-5623 handles industrial noise complaints during business hours. Costa Mesa Police at (714) 754-5280 responds after hours.
Industrial or commercial noise exceeding zone-specific limits under CMMC Title 13 constitutes a nuisance. Violations may result in administrative citations, fines starting at $100, and potential misdemeanor charges for repeat offenders.
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Side-by-side rule comparisons with other cities in Orange County.
See how other cities in Orange County handle industrial noise.
See how Costa Mesa's industrial noise rules stack up against other locations.
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