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Charlottesville, VA Noise from Specific Sources: Car Alarm Limits (2026)

Few Restrictions

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

Key Facts

Alarm exemption: Exempt from § 16-9(c) stereo rule
Also exempt: Parade vehicles, emergency alerts
Fallback limit: General § 16-8 residential caps
Enforcing agency: Charlottesville Police Department

Summary

Car and security alarms are carved out of Charlottesville's vehicle amplified-sound rule. City Code Section 16-9(c), which otherwise bars a loud vehicle radio or stereo, expressly states that its restriction does not apply to 'motor vehicle alarms or other security devices,' along with parade vehicles and emergency-warning sound.

The provisions of this subsection shall not apply to motor vehicles driven in a duly authorized parade, nor to motor vehicle alarms or other security devices, nor to the emission of sound for the purpose of alerting persons to the existence of an emergency or the emission of sound in the performance of emergency work.

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Full Breakdown

as prima facie proof of a violation. ' That means a car alarm going off, whether triggered by an attempted break-in, a false trigger, or routine testing, cannot be cited under the vehicle amplified-sound rule the way a loud stereo can. No other Chapter 16 section imposes a separate decibel limit, duration limit or shut-off requirement on car alarms specifically; the general residential-zone caps in Section 16-8 remain the only numeric limits that could reach a persistently sounding alarm parked in a residential zone.

Violations & Fines

Because Section 16-9(c) exempts motor vehicle alarms outright, an alarm cannot be cited under the vehicle amplified-sound provision no matter how long it sounds or how loud it is heard. A car alarm is enforceable only if it independently pushes sound above the general residential-zone ceilings in Section 16-8, 55 dB(A) at night or 65 dB(A) by day, in which case the Class 4 misdemeanor penalty in Section 16-5(a) applies.

Frequently Asked Questions

Is my neighbor's car alarm illegal if it goes off for a long time?

Not under the vehicle sound-amplification rule. Section 16-9(c) expressly exempts 'motor vehicle alarms or other security devices' from the same provision that bans a loud car stereo. An alarm could still be addressed only if it pushes the general residential-zone noise cap in Section 16-8 above 55 dB(A) at night or 65 dB(A) by day.

Why are alarms treated differently from car stereos in the code?

Section 16-9(c) bans amplified sound from a vehicle's radio or speakers because that noise is discretionary entertainment, but the same subsection carves out alarms, security devices, parade vehicles and emergency-alert sound because those uses serve safety purposes the city chose not to restrict.

Can I be fined for triggering my own car alarm accidentally?

Not under Section 16-9(c), which exempts motor vehicle alarms from the vehicle amplified-sound restriction regardless of why the alarm sounded. The exemption applies to a false trigger the same way it applies to an alarm responding to an actual break-in attempt.

Sources & Official References

[1]Charlottesville City Code, Ch. 16 - Noise Control

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