Wisconsin
Buying Land in Walworth County, Wisconsin
Walworth County, seat Elkhorn, is southeast Wisconsin's premier resort county -- Geneva Lake and its Gilded Age mansion history have made it a Chicago-adjacent second-home destination for over 150 years. County zoning covers most of the county with a genuine town-level exception and three municipal carve-outs, and short-term rentals here are governed by a dense, actively-litigated stack of county, city, and town rules.
Zoning: countywide coverage, one town exception, and three municipal carve-outs
Walworth County Land Use & Resource Management (LURM) (Government Center, 100 W. Walworth Street, 2nd Floor, Elkhorn, WI 53121; (262) 741-4972) administers the county's General Zoning Code, found in Chapter 74 of the Walworth County Code of Ordinances, covering unincorporated land in the county's 16 towns: Bloomfield, Darien, Delavan, East Troy, Geneva, La Grange, Lafayette, Linn, Lyons, Richmond, Sharon, Spring Prairie, Sugar Creek, Troy, Walworth, and Whitewater. The county's own zoning FAQ confirms one town-level exception: general county zoning does not apply to the Town of Bloomfield, though the county's jurisdiction over the statewide-mandated shoreland zone (NR 115) reportedly still reaches Bloomfield's shoreland areas even though the county's general zoning does not -- confirm directly which regime governs a specific Town of Bloomfield parcel.
A second, unrelated wrinkle: the Village of Bloomfield is a separate, fully incorporated municipality, created in 2011 out of part of the original Town of Bloomfield's territory, with its own independent zoning entirely outside the county's system -- it is not the same place as the (smaller, remaining) Town of Bloomfield described above, and confirming which Bloomfield governs a specific parcel is an easy, consequential mistake to avoid. Separately, the City of Elkhorn and the Villages of Williams Bay and Fontana have each adopted extraterritorial zoning (ETZ) authority, which under Wisconsin law lets an incorporated municipality extend its own zoning control into the surrounding unincorporated territory (typically within 1.5 to 3 miles, depending on population) -- meaning county general zoning does not govern non-shoreland land in those specific ETZ areas either, even though the underlying land itself remains unincorporated county territory. For any parcel near Elkhorn, Williams Bay, or Fontana, confirm with LURM directly whether it falls inside an active ETZ boundary before assuming county zoning applies.
Geneva Lake: 150 years as a resort destination, and what that means today
Geneva Lake (more than 5,600 acres of water, with the 26-mile Geneva Lake Shore Path circling it) has drawn wealthy Chicago-area visitors since the years following the Great Chicago Fire of 1871, when industrialists including chewing-gum magnate William Wrigley, Cubs owner P.K. Wrigley, bicycle manufacturer Ignatz Schwinn, and washing-machine maker F.L. Maytag built palatial summer estates on its shores -- earning the area the nickname "Newport of the West." That history persists in the local land market: Walworth County sits roughly midway between Chicago and Milwaukee, and Chicago-area second-home demand for Geneva Lake specifically remains strong today, with countywide home prices reported up 18.3% year-over-year as of April 2024.
That resort-market intensity means land near Geneva Lake (and the county's other popular lakes, including Delavan Lake) is priced, zoned, and regulated with an eye toward vacation and rental use in a way that's less true elsewhere in the county -- and it's a large part of why short-term rental regulation here is so layered and, in places, actively contested. See the next section, and our dedicated short-term-rentals page, before assuming rental income potential on a specific lake-area parcel.
Short-term rentals: county, city, and town rules stack, and one has been to federal court
Walworth County adopted a countywide short-term rental licensing ordinance in April 2018, applying in all of the county's towns (not cities or villages, which set their own rules): it caps rental occupancy to what the property's septic system is rated for, imposes a 7-day minimum stay, and requires an annual county license and fee (a homeowner who rents out a property only once a year, for 7 to 10 days, is exempted from the license requirement). An owner of three short-term rentals near Lake Como challenged the ordinance in federal court on equal-protection grounds, arguing it treated STR operators differently from other single-family homeowners without justification; the federal court dismissed the challenge, upholding the county's regulatory framework.
Inside the City of Lake Geneva specifically, a separate, more actively-managed city ordinance applies on top of the state and county requirements: the city revised its short-term rental ordinance in November 2024, requires both a state DATCP Tourist Rooming House license and a city STR annual license (with an April 30 annual renewal deadline), has implemented a compliance-tracking platform called Rentalscape, and imposes fines of $1,000 per day for operating without a valid license. The Town of Walworth has separately adopted its own ordinance limiting the number of days a short-term rental may operate. Given this many independently-administered layers, confirm a specific property's short-term-rental status with the relevant town or city directly -- see our dedicated short-term-rentals page for the full breakdown.
Septic, wells, GIS/records, and agricultural extension
Walworth County LURM issues all sanitary (POWTS) permits and inspects septic system installations for compliance with the statewide SPS 383 standard for any property not connected to a municipal sewer or sanitary district; the same office administers the county's Shoreland Zoning Guide under NR 115. Private wells fall under the Wisconsin DNR's statewide NR 812 rules rather than a county permit.
For parcel research, the Walworth County Register of Deeds (also at the Government Center in Elkhorn) holds recorded deeds, easements, and plats, and LURM's online GIS and permit-lookup system provides parcel and case-history access. UW-Madison Division of Extension maintains a Walworth County office supporting the county's agricultural sector, which remains a meaningful part of the local economy alongside the resort industry.
Who to Call Before Buying Land in Walworth County
Direct WebFetch access to co.walworth.wi.us and several town-hosted document sites (cdn.townweb.com) was blocked by a network egress restriction throughout this research pass, so department details and the zoning-exception determination reflect search-indexed content rather than a full verbatim read of primary ordinance or staff-directory text -- confirm current staff, hours, fees, and a specific parcel's zoning status before relying on this page for a specific purchase.
Planning & Zoning
Walworth County Land Use & Resource Management (LURM)
Zoning district lookups, confirming Town of Bloomfield or ETZ-area status, rezoning, conditional-use permits, and variances.
Building & Permitting
Walworth County Land Use & Resource Management (LURM)
Zoning and land-use permit applications for towns under county zoning; a separate municipal permit applies in Bloomfield, ETZ areas, cities, and villages.
Septic / Onsite Wastewater
Walworth County Land Use & Resource Management (LURM)
POWTS (septic) sanitary permits and inspections under statewide SPS 383 standards.
Wells / Private Water
Wisconsin DNR -- Wells Program
Private well construction rules (NR 812) and certified well-driller lookups statewide, including Walworth County.
Floodplain / Stormwater
Walworth County Land Use & Resource Management (LURM)
Shoreland zoning (NR 115) questions, applicable countywide including the Town of Bloomfield's shoreland areas.
GIS / Parcel Records
Walworth County GIS / LURM Case View
Parcel mapping, permit case history, and GIS data countywide.
Recorder / Clerk / Land Records
Walworth County Register of Deeds
Recorded deed, easement, and plat history for a specific parcel.
Agricultural Extension
UW-Madison Division of Extension, Walworth County
Agriculture and community-development guidance.
Other
City of Lake Geneva -- Short-Term Rentals
City short-term rental annual license, Rentalscape compliance registration, and fee/fine questions specific to properties within city limits.
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Get local guidanceTopics Specific to Walworth County
Sources
- Zoning — Walworth County, Wisconsin Government (accessed 2026-09)
- Land Use & Resource Management - Zoning FAQ — Walworth County, Wisconsin Government (accessed 2026-09)
- County Ordinances — Walworth County, Wisconsin Government (accessed 2026-09)
- Bloomfield village might absorb town in 'historic' deal — Kenosha News (accessed 2026-09)
- Bloomfield (village), Wisconsin — Wikipedia (accessed 2026-09)
- A Comprehensive Plan for the Town of Bloomfield: 2050 — Southeastern Wisconsin Regional Planning Commission (accessed 2026-09)
- History — City of Lake Geneva, Wisconsin Government (accessed 2026-09)
- Lake Geneva, Wisconsin — Wikipedia (accessed 2026-09)
- Federal lawsuit over Walworth County's short-term rental rules dismissed — The Gazette (Janesville) (accessed 2026-09)
- Short Term Rentals — Walworth County, Wisconsin Government (accessed 2026-09)
- Lake Geneva approves revised short-term rental ordinance — Lake Geneva News (accessed 2026-09)
- Town of Walworth passes short-term rental ordinance, limiting number of days short-term rentals can operate — Lake Geneva News (accessed 2026-09)
- Investment Property Guide: Walworth County, Wisconsin (2026) — Legendary Real Estate Services (accessed 2026-09)
- U.S. Census Bureau QuickFacts: Walworth County, Wisconsin — U.S. Census Bureau (accessed 2026-09)
Last reviewed 2026-09