Construction hours in Allegheny County, PA — sometimes called construction noise rules or contractor work-hour ordinances — set when contractors can run power tools, hammers, and heavy equipment.
No countywide Allegheny County construction-hours rule. Municipalities set their own limits. Pittsburgh allows construction 7 AM to 10 PM weekdays, 8 AM to 10 PM weekends. Most suburban boroughs mirror 7 AM to 8 PM with Sunday restrictions.
Allegheny County does not regulate construction noise countywide. The ACHD Article XXI addresses industrial air/noise but not residential construction. Municipal zoning and noise codes govern start/stop times. Pittsburgh Code §601.05 permits construction 7 AM to 10 PM Mon-Sat, with Sunday restrictions. Mt. Lebanon, Upper St. Clair, and Fox Chapel commonly restrict construction to 7 AM to 8 PM weekdays and limit or prohibit Sunday work. PennDOT highway projects are exempt from municipal noise limits.
Municipal citation range $100 to $1,000 depending on locality. Stop-work orders possible for repeat violators.
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See how Allegheny County's construction hours rules stack up against other locations.
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