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Carroll County, MD Noise Ordinances: Vehicle Noise (2026)

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

Key Facts

Governing section
§ 93.01(C)(3)(a)
Setback distance
300 feet from a residence
Consent option
written permission from neighbor
Civil fine
up to $1,000
Exemptions
farm, emergency, law-enforcement vehicles
Adopted
Ord. 2022-05, passed 5-5-2022
No general muffler law
park-only muffler rule, § 94.035

Summary

Carroll County does not regulate ordinary car stereos, mufflers, or engine brakes countywide, but it does limit off-road recreational vehicles. Under § 93.01(C)(3), a dirt bike, ATV, go-cart, snowmobile, or similar gas-powered vehicle cannot be run on private property within 300 feet of a neighboring home without that neighbor's written permission.

These county ordinances apply to unincorporated areas of Carroll County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

(3) Non-commercial off-road vehicle use, setback requirements. (a) A person may not operate, or permit to be operated, an off-road internal combustion engine-powered recreational vehicle, including but not limited to a dirt bike, an all-terrain vehicle, a go-cart, a snowmobile, or a similar vehicle, on private property closer than 300 feet to a neighboring residence or the associated curtilage, without the written permission of the impacted resident.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-15: Supplement contains: Local legislation current through July 30, 2026).

Full Breakdown

01(C)(3)(a) of the Noise Disturbances chapter bars operating, or permitting the operation of, a non-commercial off-road internal-combustion recreational vehicle, including but not limited to a dirt bike, an all-terrain vehicle, a go-cart, or a snowmobile, on private property closer than 300 feet to a neighboring residence or its curtilage, unless the impacted resident has given written permission. Division (C)(3)(b) exempts agricultural vehicles, off-road vehicles used for law enforcement, fire, emergency, or other governmental purposes, and vehicles used for routine access to a property as determined by the Sheriff's Department.

035, applies solely to vehicles operated inside county parks), and no engine-brake or 'Jake brake' restriction. The 300-foot setback and written-permission rule were added by Ord. m.

Violations & Fines

A violation of § 93.01(C) is a civil infraction carrying a fine of up to $1,000, issued by the Sheriff's Office without a prior warning. A person ordered to stop an off-road vehicle's noise who refuses or fails to comply commits a separate misdemeanor, punishable on conviction by a fine of up to $500 or up to 30 days in jail, or both, under § 93.99.

Frequently Asked Questions

Does Carroll County limit how loud I can play my car stereo?
No specific provision does. Section 93.01(C)(1) bans any audio device, including a vehicle stereo, that produces unreasonably loud noise audible in a residential area, but the code sets no decibel figure and has no separate car-stereo statute; enforcement rests on the same 'unreasonably loud' standard used for household noise.
Can I ride a dirt bike or ATV on my own property?
Yes, but not within 300 feet of a neighbor's residence or curtilage unless that neighbor gives written permission, under § 93.01(C)(3)(a). Farm vehicles and off-road vehicles used for law enforcement, fire, or emergency purposes are exempt from the setback.
Is there a countywide muffler law for cars and trucks?
Not outside county parks. The only muffler requirement in the Carroll County Code, § 94.035, requires a muffler for vehicles operated inside county park property; there is no separate exhaust or engine-brake ordinance for public roads in the unincorporated county.

Sources & Official References

Other rules in Carroll County

All Carroll County rules

Compare Carroll County to another location·View the Maryland noise ordinances overview

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