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Philadelphia, PA Noise Ordinances: Vehicle Noise (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Limit
5 dB above background, 25 ft away
Enforcement
Automated cameras plus decibel meters
Enforcer
Philadelphia Parking Authority mails notices
First fine
$100 to $300
Citation
Philadelphia Code § 10-403(14)

Summary

Philadelphia bans motor vehicle sound exceeding 5 decibels above background level measured from 25 feet away, covering engine noise, mufflers, and car stereos, enforced through camera-and-decibel-meter systems citywide.

Sound Emanating From a Motor Vehicle. Notwithstanding anything to the contrary in subsection (7) ("Sound Created in the Right-of-Way"), no person shall create or cause, or permit the creation of, sound emanating from a motor vehicle, at a level of five decibels above background level measured from a distance of 25 or more feet.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 Code: Electronic version of The Philadelphia Code and Home Rule Charter is current through August 19, 2026).

Full Breakdown

Philadelphia Code § 10-403(14) prohibits sound emanating from a motor vehicle -- whether from the engine, exhaust, or an amplified stereo -- that exceeds five decibels above background level measured from 25 feet or more away. The rule applies regardless of whether the sound comes from how the vehicle is operated or from music playing inside it. Since 2022, the city enforces this specifically through an Automated Vehicle-Noise Enforcement System under § 10-412 -- stationary cameras paired with decibel meters that photograph the vehicle and record the reading, with the Philadelphia Parking Authority mailing violation notices to the registered owner.

Violations & Fines

Fines start at $100-$300 for a first offense under § 10-406, rising to $200-$400, $300-$500, then $500-$700 within 12 months; each day counts as a separate violation.

Frequently Asked Questions

Does this cover loud car stereos?
Yes -- § 10-403(14) applies without regard to whether the sound comes from the vehicle's operation, from music or amplified sound, or another source connected to the vehicle.
How is it enforced?
Since 2022 the city uses an Automated Vehicle-Noise Enforcement System -- stationary cameras and decibel meters -- with the Parking Authority mailing notices like a parking ticket.
Who is liable if someone else was driving?
The registered owner is liable regardless of who was driving, unless the vehicle was reported stolen to police and remained unrecovered at the time of the violation.

Sources & Official References

Other rules in Philadelphia

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All Philadelphia rules

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