Rock County has no countywide retaining-wall ordinance. Height thresholds, engineering, and permits are set by your city, village, or unincorporated town building code. Walls near navigable water may trigger county shoreland permits and erosion-control review.
General retaining-wall permitting follows municipal or town building and zoning codes, not a county standard. Many Wisconsin jurisdictions require a permit and engineered plans once a wall exceeds about 4 feet in height or retains a surcharge. Rock County's direct authority applies where a wall sits in a mapped shoreland district (within 1,000 ft of a lake or 300 ft of a stream) or floodplain, where grading, filling, and structures are regulated to prevent erosion and water pollution. Outside those overlays, contact your local building department for retaining-wall rules; the county can confirm whether shoreland or floodplain review applies to your parcel.
Local building-code enforcement handles unpermitted walls. Within county shoreland/floodplain districts, unauthorized grading or fill can draw stop-work orders, restoration requirements, and forfeitures.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Rock County, WI
Wisconsin's cruelty statute (Ch. 951) makes it illegal to keep animals without proper food, water, and shelter, which is how hoarding is enforced. Rock Count...
Rock County, WI
Rock County has no blanket countywide wildlife-feeding ban, but deer and elk feeding is regulated statewide, and nuisance-feeding of wild animals is addresse...
Rock County, WI
Rock County encourages waste reduction and does not ban backyard composting. Wisconsin bans yard waste from landfills, so composting is favored. Nuisance con...
Rock County, WI
Rock County has no countywide ordinance regulating artificial turf. Whether synthetic grass is allowed, and any coverage or stormwater conditions, is decided...
Rock County, WI
Rock County does not ban native or naturalized landscaping, but the mandatory noxious-weed duty still applies. Near navigable water, native shoreland buffers...
Rock County, WI
Collecting rainwater is legal in Wisconsin and Rock County sets no barrier to rain barrels. There is no state permit for a basic downspout rain barrel used f...
See how Rock County's retaining walls rules stack up against other locations.
Help us keep this page accurate. If you notice an error or outdated information, let us know.