Noise from Specific Sources in La Mesa, CA (2026)
1 verified noise from specific sources rules for La Mesa, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
HVAC & Mechanical Noise
Section 10.80.090 of the La Mesa Municipal Code caps machinery, pumps, fans and air conditioning units at no more than five decibels above the ambient base noise level at the property line. Installers must file a compliance certificate with the Department of Building Inspection and Housing, and an uncertified or unpermitted unit is prima facie evidence of a violation.
La Mesa HVAC and Machinery Noise Limit
Some RestrictionsLa Mesa Municipal Code § 10.80.090
It shall be unlawful for any person to install or operate any machinery, equipment, pump, fan, air conditioning apparatus, or similar mechanical device which can be or is operated in any manner so as to create noise which will cause the noise level at the property line of any property to exceed the ambient base noise level by more than five (5) decibels. (a)Certificate of Compliance: Required. ...
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County ordinances apply to unincorporated areas and may supplement La Mesa city rules.
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