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Prince George's County, MD Noise Ordinances: Construction Hours (2026)

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

Construction hours in Prince George's County, MD, sometimes called construction noise rules or contractor work-hour ordinances, set when contractors can run power tools, hammers, and heavy equipment.

Key Facts

Loud-work window
7 a.m. to 6 p.m.
Limit, no plan
75 dBA
Limit, approved plan
85 dBA
Measured at
50 ft from source

Summary

Prince George's County allows louder construction noise only during daytime work hours. From 7 a.m. to 6 p.m. construction may reach 75 dBA, or 85 dBA with an approved noise-suppression plan; at all other times the standard residential limits apply.

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

A person must not cause or permit noise levels from construction activity that exceed the following levels: (A) From 7 a.m. to 6 p.m.: (i) 75 dBA if the Department has not approved a noise-suppression plan … or (ii) 85 dBA if the Department has approved a noise-suppression plan …

Full Breakdown

Under County Code § 19-122.01, construction activity noise may not exceed 75 dBA from 7 a.m. to 6 p.m. without an approved noise-suppression plan, or 85 dBA if the Department of Permitting, Inspections and Enforcement has approved such a plan. Outside 7 a.m. to 6 p.m., the ordinary residential limits in § 19-122(a) apply (65 dBA day / 55 dBA night). Construction noise is measured at least 50 feet from the source at the receiving property where noise is greatest. The construction 'noise disturbance' prohibition also applies regardless of the decibel readings. Construction and repair work on public property is exempt. Municipalities such as Bowie and College Park set their own construction-hour windows that may be tighter.

Violations & Fines

Fines up to $1,000 for a first offense and $1,500 for each subsequent offense, by criminal misdemeanor or civil citation. Each day is a separate offense; imprisonment up to 30 days is possible.

Frequently Asked Questions

When can construction make noise in Prince George's County?
Louder construction noise (up to 75 dBA, or 85 with an approved plan) is allowed 7 a.m. to 6 p.m. Outside those hours, standard residential limits apply.
Is a noise-suppression plan required?
Not always. Without one the cap is 75 dBA; with a Department-approved noise-suppression plan the cap rises to 85 dBA during daytime work hours.

Sources & Official References

Other rules in Prince George's County

All Prince George's County rules

How Prince George's County compares: Cities with the Strictest Construction Hours·Compare Prince George's County to another location·View the Maryland noise ordinances overview

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