County Building Permits
St Croix County, WI - 2026 Building Permit Guide
How to apply for a building permit in unincorporated St Croix County, Wisconsin. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
All unincorporated areas of St. Croix County (towns not listed as having their own zoning: Eau Galle, Warren, Hammond, Baldwin, Springfield, Troy, Kinnickinnic, Pleasant Valley, Rush River, Cady, St. Joseph, Richmond, Erin Prairie, Emerald, Glenwood, Somerset, Star Prairie, Stanton, Cylon, Forest)
- Department
- Address
- 1101 Carmichael Road, Suite 1300, Hudson, WI 54016
- Phone
- 715-386-4680
- cdd@sccwi.gov
Application Process
- Obtain a Land Use Permit Application (available at https://www.sccwi.gov/DocumentCenter/View/495/Land-Use-Permit-Application-PDF)
- Submit completed application with required documents
- Processing time: Typically 5-7 business days
- Obtain sanitary permit before building permit if plumbing involved
- Submit building permit application with approved land use permit
- Inspections scheduled upon approval
General Requirements
Work That Does NOT Require a Permit
- Building equipment repairs/replacement without structural alterations (furnaces, water heaters, AC units)
- Restoration or repair to previous code-compliant condition as determined by building inspector
- Maintenance work such as shingling or residing a house
- Improvements under $2,000-$5,000 (varies by town)
- Replacement roofing, siding, and/or window/door of same size without structural modifications
Inspections
How to Schedule
Additional Resources
- License lookup guide: Wisconsin Contractor License Requirements
- Contract template: Wisconsin Homeowner-Contractor Agreement
- Wisconsin hub: Wisconsin Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the before applying.
Frequently Asked Questions
St Croix County Building Permit FAQ
- How do I apply for a building permit in unincorporated St Croix County, WI?
- 1. Obtain a Land Use Permit Application (available at https://www.sccwi.gov/DocumentCenter/View/495/Land-Use-Permit-Application-PDF) 2. Submit completed application with required documents 3. Processing time: Typically 5-7 business days 4. Obtain sanitary permit before building permit if plumbing involved 5. Submit building permit application with approved land use permit 6. Inspections scheduled upon approval
- What work is exempt from building permits in unincorporated St Croix County, WI?
- The following work is generally exempt: Building equipment repairs/replacement without structural alterations (furnaces, water heaters, AC units); Restoration or repair to previous code-compliant condition as determined by building inspector; Maintenance work such as shingling or residing a house; Improvements under $2,000-$5,000 (varies by town); Replacement roofing, siding, and/or window/door of same size without structural modifications.
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