SDMC Section 59.5.0401 sets exterior noise level limits based on zoning districts. Industrial noise must not cause the one-hour average sound level to exceed the applicable limit at any location on or beyond the property boundary. The sound level limit at a boundary between two zoning districts is the arithmetic mean of the respective limits. The City enforces a 65 dB CNEL standard for noise-sensitive uses.
San Diego's industrial noise ordinance regulates sound generated by manufacturing facilities, warehouses, commercial HVAC systems, loading operations, and mechanical equipment. Noise from these sources must not exceed 70 dBA during daytime hours (7 AM–10 PM) or 60 dBA during nighttime hours (10 PM–7 AM) as measured at the nearest residential property line. Octave-band analysis may be required for tonal or impulsive noise. New industrial uses must submit noise impact assessments as part of conditional use permit applications. Existing facilities that exceed limits must implement mitigation measures such as sound walls, equipment enclosures, or operational schedule changes. California state environmental regulations supplement local noise control.
Industrial noise violations carry fines of $250–$2,500 per occurrence. Chronic violators face operating permit review and potential conditional use permit revocation. Abatement orders require compliance within 30 days.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
San Diego, CA
San Diego allows backyard recreational fires under San Diego Fire Code Section 511.0307 (adopting 2022 California Fire Code Section 307) when the fire is no ...
San Diego, CA
San Diego enforces 2022 California Residential Code Section R314 and California Health and Safety Code Sections 13113.7 and 13114 through the San Diego Build...
San Diego, CA
San Diego has no city ordinance regulating residential lawn ornaments, statuary, or religious displays on private property. California Civil Code § 4710 limi...
San Diego, CA
San Diego has no city ordinance specifically regulating residential inflatable holiday displays. Inflatables are permitted on private property subject to SDM...
San Diego, CA
San Diego has no city ordinance specifying installation dates, removal deadlines, or brightness limits for residential holiday lights. Amplified outdoor audi...
San Diego, CA
Built-in outdoor kitchens in San Diego require multiple permits through the Development Services Department: a building permit for the structure, a gas-line ...
Side-by-side rule comparisons with other cities in San Diego County.
See how other cities in San Diego County handle industrial noise.
See how San Diego's industrial noise rules stack up against other locations.
Help us keep this page accurate. If you notice an error or outdated information, let us know.