Construction hours in Harford County, MD — sometimes called construction noise rules or contractor work-hour ordinances — set when contractors can run power tools, hammers, and heavy equipment.
Harford County sets no daytime construction curfew. COMAR 26.02.03.02 exempts daytime construction from the state dBA limits, but overnight work must meet the 55 dBA nighttime standard, and Harford County Code § 193-8 bars audible noise after 11 p.m.
Maryland regulates construction noise through the Department of the Environment. Under COMAR 26.02.03.02, daytime construction is exempt from the 65 dBA property-line limit, so ordinary weekday building work is allowed. Overnight, the exemption falls away and work must meet the 55 dBA nighttime cap. Harford County Code § 193-8 separately bars noise audible more than 50 feet onto residential property between 11 p.m. and 6 a.m. Bel Air and Havre de Grace add their own construction-hour limits. Emergency repairs and utility work are exempt. The Sheriff's Office and municipal police enforce complaints.
Construction noise audible on residential property after 11 p.m. violates § 193-8; ignoring an officer's order to stop draws a civil fine, plus possible municipal stop-work orders.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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