County Building Permits

Rock County, WI - 2026 Building Permit Guide

Building permit information for unincorporated Rock County and all incorporated cities. Find your jurisdiction's permit authority, application process, fees, and requirements.

Wisconsin Updated March 2026

Important: Rock County issues building permits only for properties in unincorporated areas of the county. If your property is inside an incorporated city, select your city below — that city's building department handles your permits, not the county.

Unincorporated Rock County

Permit authority
Rock County Planning, Economic and Community Development Department; county-administered zoning in the Shoreland Overlay District and Floodplain District
Online portal
Permit portal
Phone
608-757-5597
Address
Rock County Courthouse, 51 S Main Street, Janesville, WI 53545

Jurisdictions in Rock County

Select your jurisdiction for local permit authority, portal links, application steps, fees, and inspection requirements.

Unincorporated Rock County Permit guide → Avon Permit guide → Beloit Permit guide → Bradford Permit guide → Brodhead Permit guide → Center Permit guide → Clinton Permit guide → Edgerton Permit guide → Evansville Permit guide → Footville Permit guide → Fulton Permit guide → Harmony Permit guide → Janesville Permit guide → Johnstown Permit guide → La Prairie Permit guide → Lima Permit guide → Magnolia Permit guide → Milton Permit guide → Newark Permit guide → Orfordville Permit guide → Plymouth Permit guide → Porter Permit guide → Rock Permit guide → Spring Valley Permit guide → Turtle Permit guide → Union Permit guide →

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the relevant city or county department before applying.

Related Wisconsin Resources

License Requirements Verify your contractor's Wisconsin license → Contract Template Free homeowner-contractor agreement →

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authorities listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.