Construction hours in Sun Prairie, WI — sometimes called construction noise rules or contractor work-hour ordinances — set when contractors can run power tools, hammers, and heavy equipment.
Dane County does not have specific construction hour restrictions for unincorporated areas. Wisconsin's general noise laws apply. Individual towns may set stricter standards.
There is no county-level construction hours ordinance for unincorporated Dane County. Construction noise is regulated through Wisconsin's disorderly conduct statute (Wis. Stat. §947.01) for extreme cases. In practice, construction typically follows industry norms (weekdays 7 AM–7 PM) but there is no enforceable county curfew. Towns within Dane County may adopt their own rules. Building permit conditions may include construction hour restrictions.
Extremely disruptive construction noise could potentially be cited under Wis. Stat. §947.01. Contact the Dane County Sheriff (608-284-6100) for egregious violations in unincorporated areas.
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Side-by-side rule comparisons with other cities in Dane County.
See how Sun Prairie's construction hours rules stack up against other locations.
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