NYC noise cameras are roadside devices that pair a calibrated sound meter with a license-plate camera and automatically flag any vehicle registering 85 decibels or more from 50 feet away.{1NYC Department of Environmental Protection. Roadside Sound Meter and Camera Is Activated by Loud Mufflers Now Sending Notices to Vehicle Owners} Run by the Department of Environmental Protection, the program mails summonses to the registered owner. Fines start at $800 for a first offense and climb to $2,500 for repeat violations.{2NYC Department of Environmental Protection. Noise Code – DEP}
How the Cameras Detect a Violation
Each unit runs continuously but only starts recording when it registers a sound at or above 85 decibels from 50 feet. For scale, 85 decibels is roughly a gas-powered lawn mower at close range. When the threshold trips, the camera captures video, still images of the license plate, and the decibel reading, with red-dot overlays on the footage marking the sound waves that crossed the limit.{1NYC Department of Environmental Protection. Roadside Sound Meter and Camera Is Activated by Loud Mufflers Now Sending Notices to Vehicle Owners}
A DEP inspector then reviews every triggered clip by hand. They cross-reference multiple angles to confirm which vehicle produced the noise and rule out nearby trucks, sirens, or construction.{3PiTech. Automating Noise Pollution Enforcement: Using AI to Streamline NYC’s Noise Camera Enforcement Program} If the reviewer confirms a violation, a summons is generated and mailed to the registered owner, just like a speed or red-light camera ticket. The driver’s identity doesn’t matter; the owner gets the bill.
Where the Cameras Operate
As of late 2025, 12 cameras rotate through locations in every borough except Staten Island.{4SILive.com. Staten Island Excluded from NYC Noise Camera Program} They aren’t fixed to permanent spots. DEP moves them among sites based on complaint data and traffic patterns, so no public map of active locations exists. A street with no camera last month may have one today. If your vehicle runs louder than stock, treat every major corridor in Manhattan, Brooklyn, Queens, or the Bronx as potentially monitored.
What the Cameras Ticket
Most summonses target modified mufflers and straight-pipe exhausts under Administrative Code section 24-236(e). The same units also enforce section 24-237(a), covering horn honking, and section 24-233(b), covering loud music from vehicles.{5NYC Department of Environmental Protection. 2025 Annual Report for Noise Camera Enforcement Program} Under NYC rules, horns may only be sounded as a warning of danger, so leaning on the horn in stopped traffic is a violation whether or not a camera catches it.{6NYC311. Noise from Vehicle} Horn and music captures are harder to attribute to a single vehicle in dense traffic, so they make up a smaller share of tickets.
Stock Vehicles Are Not Exempt
The rule is a decibel threshold, not a modification test. If a vehicle registers more than 85 decibels at 50 feet, it violates the code even if the exhaust is factory-original. Documented cases include a 2010 Porsche 911 Carrera S at 90.4 decibels and a 2018 Jaguar F-Type at 86 decibels, both with untouched stock exhausts. The Porsche owner appealed his $800 fine twice, submitting independent decibel tests and certified documentation showing the car was unmodified, and lost both times. Some factory performance cars are simply loud enough under hard acceleration to trip the system.
Fine Amounts and What Ends Up on Your Record
First-offense fines under section 24-236(e) start at $800, with repeat violations reaching $2,500.{2NYC Department of Environmental Protection. Noise Code – DEP} Ignore the summons and default, and the total can reach $2,625 once default penalties are added.
Because the ticket is issued to the vehicle owner from camera evidence, it behaves like a parking or red-light violation. No points are added to your driver’s license, and it doesn’t count as a moving violation. The dollar figure is the sting: $800 for a first offense is well above the $50 starting point for speed and red-light camera tickets in the city.{7NYC311. Parking Ticket or Camera Violation Payment} Unpaid violations stay on your record and can complicate vehicle registration renewals.
How to Contest a Summons
Noise camera summonses go through the Office of Administrative Trials and Hearings. You have two ways to fight one: submit a defense through OATH’s online hearing form, or mail a written defense to the OATH Hearings Division.{8Office of Administrative Trials and Hearings. Hearings and Defaults – OATH} Whichever you choose, your response must reach OATH on or before the hearing date printed on the summons.
To pull up your case or download the summons, use OATH’s Ticket Finder tool with your summons number or your name and address.{9NYC311. City-Issued Summons Hearing} The online form lets you type your defense and attach up to three electronic files as evidence.{10Office of Administrative Trials and Hearings. Online Hearing Submission – OATH}
Useful evidence includes photographs of your exhaust system, a mechanic’s inspection report confirming factory specifications, or an independent decibel test from a certified shop. Proving the exhaust is stock does not guarantee a dismissal; as the Porsche case shows, OATH judges have upheld violations against factory-original vehicles when the recorded reading crossed the threshold. Stronger arguments tend to focus on the evidence itself: challenging the camera’s calibration, showing the sound was attributed to the wrong vehicle, or identifying another source that produced the noise.
What Happens If You Ignore It
Defaulting is the worst outcome, and it’s common. Of 849 summonses adjudicated in 2024, 367 ended in default because the owner never responded.{11NYC Department of Environmental Protection. 2024 Annual Report for Noise Camera Enforcement Program} A default means you’re automatically found in violation, you owe the full penalty plus default charges, and you lose the right to challenge the evidence.
To keep that from happening, either pay the penalty by the hearing date or submit a defense online or by mail before the deadline.{9NYC311. City-Issued Summons Hearing} Even if you expect to lose the hearing, responding preserves your options. Silence forecloses them.