Construction hours in Dakota County, MN — sometimes called construction noise rules or contractor work-hour ordinances — set when contractors can run power tools, hammers, and heavy equipment.
Dakota County has no countywide construction-hours ordinance. Minnesota's MPCA daytime noise standard (60 dBA L50, 7 a.m.-10 p.m.) sets the baseline, and each city restricts construction start/stop times, commonly 7 a.m. to allowed evening hours.
There is no county-level rule limiting construction hours in Dakota County. Minnesota Rules Chapter 7030 defines daytime as 7:00 a.m. to 10:00 p.m., when the residential L50 limit is 60 dBA and the L10 limit is 65 dBA; nighttime (10 p.m.-7 a.m.) drops to 50 and 55 dBA. Because that nighttime standard is stricter, most cities set construction to daytime hours only. Actual permitted hours are set by your city (for example Eagan, Lakeville, Apple Valley), so confirm the exact start and finish times in your municipal code before scheduling work.
Handled by your city's building or nuisance ordinance, typically a citation or petty misdemeanor. State MPCA standards under Minn. R. 7030 also apply.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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See how Dakota County's construction hours rules stack up against other locations.
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