Mosinee, WI Noise Ordinances: Construction Hours (2026)
Construction hours in Mosinee, WI, sometimes called construction noise rules or contractor work-hour ordinances, set when contractors can run power tools, hammers, and heavy equipment.
Key Facts
- General construction hours
- 7:00 a.m.-10:00 p.m. weekdays
- Equipment decibel window
- 7:00 a.m.-7:00 p.m.
- Decibel cap
- 80 dB(A) at property line
- Overnight exception
- Building inspector may permit hardship work
- First-offense penalty
- $25 to $500 forfeiture
Summary
Mosinee limits noisy construction work under Code § 54-193(b)(7) and (d)(2): general construction and equipment noise is confined to 7:00 a.m. to 10:00 p.m. on weekdays, while construction equipment specifically is capped at 80 decibels between 7:00 a.m. and 7:00 p.m. at the property line.
(7)Construction or repair of buildings. The erection (including excavation), demolition, alteration or repair of any building, as well as the operation of any piledriver, steam shovel, pneumatic hammer, derrick, steam or electric hoist, or any other similar equipment attended by loud or unusual noise, other than between the hours of 7:00 a.m. and 10:00 p.m. on weekdays; provided, however, that the city building inspector shall have the authority, upon determining that the loss of inconvenience which would result to any party in interest would be extraordinary and of such nature as to warrant special consideration, to grant a permit for a period necessary within which time such work and operation may take place within the hours of 10:00 p.m. to 7:00 a.m. ... (2)Construction noise. Construction equipment in any zone may be operated between the hours of 7:00 a.m. to 7:00 p.m., provided that such equipment does not exceed a maximum sound pressure level of 80 dB(a) measured at the property line of the location at which such equipment is in use.
Full Breakdown
The City of Mosinee regulates construction noise through two overlapping subsections of its loud-and-unnecessary-noise ordinance. , if delaying it would cause extraordinary inconvenience to a party in interest. , but only if it does not exceed a maximum sound pressure level of 80 dB(A) measured at the property line of the site where the equipment is used. window once the equipment noise approaches the 80 dB(A) ceiling. Noise is measured with a sound level meter placed at the nearest lot line of a complaining property, at least three feet above ground and three feet from reflective surfaces, per subsection (d)(6).
The common council can grant a hardship exemption to an existing operation that shows it has made reasonable technological attempts to fix the problem, under subsection (d)(7). Because § 54-193 sets no separate fine, violations default to the general penalty in § 1-13.
Violations & Fines
Running construction equipment outside the permitted hours, or above 80 dB(A) at the property line during the day, violates § 54-193(b)(7) and (d)(2). Absent a specific fine in the noise article, the city's general penalty in § 1-13 applies: $25 to $500 for a first offense and $50 to $1,000 for a repeat offense within 12 months, with jail time possible if the forfeiture goes unpaid.
Frequently Asked Questions
Can construction start before 7 a.m. in Mosinee?
Is there a decibel limit for construction equipment?
Can a contractor get permission to work at night?
Sources & Official References
Other rules in Mosinee
How Mosinee compares: Cities with the Strictest Construction Hours·Compare Mosinee to another location·View the Wisconsin noise ordinances overview
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Construction Hours in Nearby Cities
How other cities in Marathon County handle construction hours.