Commercial noise in Philadelphia County is capped at 65 dBA daytime and 55 dBA nighttime at residential property lines per Philadelphia Code §10-403. HVAC, delivery, and mechanical equipment must comply.
Philadelphia Code §10-403 sets sound level limits by zoning district. Commercial establishments abutting residential zones must meet residential limits at the shared boundary. Air Management Services of the Department of Public Health enforces through complaint-driven investigations with sound level meters.
Fines $300 to $2,000 per day; license suspension possible for repeat offenders.
See how Philadelphia County's industrial noise rules stack up against other locations.
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