Rock County has no countywide lawn-height limit, but Wisconsin's noxious-weed statute applies everywhere. Wis. Stat. §66.0407 requires landowners to destroy noxious weeds; the local weed commissioner can cut them and charge you. Tall-grass height limits are set by your city or village.
Two layers govern overgrowth. Statewide, Wis. Stat. §66.0407 makes noxious weeds a nuisance every landowner must destroy and empowers a municipal weed commissioner to enter and cut, billing the owner. Separately, ordinary tall grass (a numeric height like 8 inches) is capped by individual cities and villages such as Janesville and Beloit, not by Rock County. The county administers land-conservation and erosion programs but does not set a residential grass-height maximum. So for a mowing complaint, look to your municipality's property-maintenance code; for noxious weeds specifically, the state statute and local weed commissioner control.
Noxious weeds: under §66.0407 the weed commissioner may destroy them and assess costs to the owner as a special tax. Tall-grass height limits carry separate municipal fines and city-abatement charges.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Beloit, WI
Beloit enforces quiet hours in this border city (pop. 37,000) on the Wisconsin-Illinois state line. Home to Beloit College, the city manages noise from stude...
Beloit, WI
Beloit considers excessive barking a nuisance. Animal control handles complaints. WI Stat. §174 covers dog regulation statewide.
Beloit, WI
Beloit regulates amplified music under the general noise ordinance. Sound amplification permits available for events. WI Stat. §947.01 applies.
Beloit, WI
Beloit manages parking around downtown, Beloit College campus, and the Ho-Chunk casino area. Winter alternate-side parking enables snow plowing on city streets.
Beloit, WI
Beloit restricts commercial vehicle parking in residential zones. Weight, size, and signage limits apply. Overnight heavy truck storage prohibited.
Beloit, WI
Beloit requires vehicles parked on improved surfaces. Front lawn parking prohibited. Driveway modifications require permits.
See how Beloit's weeds & overgrown grass rules stack up against other locations.
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