Building Setbacks & Zoning in Walworth County, WI (2026)
3 rules for unincorporated Walworth County, Wisconsin.
Verified from official government sources
Setback Rules
In the towns under Walworth County zoning, the R-1 single-family district's Sec. 74-54 table sets a 25-foot rear yard, a 15-foot side yard, and street setbacks running from 25 feet off a subdivision road up to 85 feet off a state or federal highway, plus a 75-foot shore setback.
Walworth County R-1 Yard Setback Minimums
Some RestrictionsWalworth County Code § 74-54
R-1 Single-family residence district (unsewered). ... (4)Conventional design. Area, height, and yard requirements. ... Yards Rear Minimum 25 feet Side Minimum 15 feet Street: Subdivision road Minimum 25 feet Town road Minimum 50 feet County road Minimum 65 feet State and Federal highways (not including freeways) Minimum 85 feet Shore Minimum 75 feet
Structure Height Limits
In the towns under Walworth County zoning, the R-1 single-family district caps building height at 45 feet under Sec. 74-54's conventional design table. Sec. 74-102 lets certain public, multi-family, commercial and industrial structures rise to 60 feet if every required yard grows a foot for each foot over the district maximum.
Walworth County Residential Height Limit
Some RestrictionsWalworth County Code §§ 74-54, 74-102
R-1 Single-family residence district (unsewered). ... (4)Conventional design. Area, height, and yard requirements. ... Building Height Maximum 45 feet ... Sec. ... 74-102. - Height. The district height limitations stipulated elsewhere in this ordinance may be exceeded but such modification shall be in accord with the following: ... (5)Public or semipublic facilities, multiple-family structures,...
Lot Coverage Limits
Within shoreland areas of unincorporated Walworth County, most lots within 300 feet of a navigable waterway are capped at 15 percent impervious surface, rising to 30 percent on DNR-approved highly developed shorelines, with mitigation plans allowed to push those caps higher.
Shoreland Impervious Surface Limits, Walworth County
Some RestrictionsWalworth County Code § 74-174(E)(3)-(4)
Sec. 74-174. - Shoreland regulations. ... E).Impervious surfaces. ... 3.General impervious surface standards.a.General standard. Except as allowed below and except for those lawfully existing impervious surfaces, a lot or parcel is allowed up to 15% impervious surface as calculated above.b.Maximum general impervious surface. A property may exceed the impervious surface standards under (3.a) abo...
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