Bayfield County, WI - 2026 Building Permit Guide

Permit Authority

County land use and zoning review in unincorporated Bayfield County; UDC building inspections are handled by the assigned state/local UDC inspector by township, not by a county building department

Department

Bayfield County Planning and Zoning Department

Address

117 E 5th Street, P.O. Box 58, Washburn, WI 54891

Phone

715-373-6138

Email

permits@bayfieldcounty.wi.gov , zoning@bayfieldcounty.wi.gov

Website

https://www.bayfieldcounty.wi.gov/204/Land-Use-Permit-Information

Application Process

1. Start with land use permit review before construction.
2. Submit the application by email, printed mail, or in person.
3. Include the Tax ID or tax statement; if recently purchased, include the recorded deed.
4. Include a site plan and other required documents.
5. Obtain the sanitary permit before the county land use permit and before the state building permit where applicable.

Typical processing time: Non-habitable structures not in floodplain, shoreland, or wetland are approximately 2 to 3 weeks during busy season.

Source: Bayfield County Planning and Zoning Department

General Requirements

Any new residence or habitable building; additions or alterations; commercial structures; relocation of existing structures; changes in land use or use; all structures in shoreland, wetland, or floodplain areas; permanent or temporary residential structures over 200 sq ft

Required Documents

• Completed application
• Payment
• Site plan
• Possibly floor plans
• Possibly elevations
• Possibly deed or proof of ownership
• Possibly shoreland or floodplain materials
• Possibly wetland delineation
• Possibly mitigation plan
• Possibly committee review materials

Permit validity

Land use permit expires after 24 months if work has not begun; incomplete application expires 4 months after written notice or 12 months from receipt if not completed.

Building code

County pages point to state UDC inspections for one- and two-family dwellings and DSPS for commercial, plumbing, and electrical matters; no separate county building code adoption page found

Contractor requirements

Sanitary plans must be drawn by an architect, engineer, plumbing designer, or licensed master plumber when required; installation of sanitary systems must be by a licensed master plumber in Wisconsin.

Fees

Minimum permit fee

$75 for non-habitable residential structures; habitable residential structures have a $125 minimum

Plan check fee

Not separately published on the county fee page; fee schedule appears to bundle administrative review

Permit fee formula

Habitable enclosed area $0.50/sq ft; unenclosed areas or attached non-habitable garages $0.20/sq ft; commercial principal structures $250 plus $5 per $1,000 of construction cost; commercial accessory structures $150 plus $5 per $1,000

Reinspection fee

Return inspection $75

Penalty (no permit)

After-the-fact failure to obtain permit prior to start of project triple fee, possible citation

Fees change. Verify current amounts at the official fee schedule.

Work That Does NOT Require a Permit

• Non-habitable accessory structures under 200 sq ft, if not in shoreland, wetland, or floodplain
• Private communication devices outside floodplain, wetland, or shoreland zones
• Small landings under 40 sq ft

Important: Agricultural structures are not exempt from permit requirements.

Inspections

How to Schedule

Inspection hours

Monday-Friday, 8:00 AM to 4:00 PM

Typical inspection sequence: Do not start work before the permit is issued; obtain the sanitary permit first; for one- and two-family dwellings, UDC inspections are required.

Additional Resources

• Building code: County pages point to state UDC inspections for one- and two-family dwellings and DSPS for commercial, plumbing, and electrical matters; no separate county building code adoption page found
• Zoning information: View zoning info
• UDC inspector list
• Sanitary information
• FAQ
• License lookup guide: Wisconsin Contractor License Requirements
• Contract template: Wisconsin Homeowner-Contractor Agreement
• Wisconsin hub: Wisconsin Contractor License & Permit Hub

Frequently Asked Questions

Bayfield County Building Permit FAQ

Do I need a building permit in unincorporated Bayfield County, WI?

Any new residence or habitable building; additions or alterations; commercial structures; relocation of existing structures; changes in land use or use; all structures in shoreland, wetland, or floodplain areas; permanent or temporary residential structures over 200 sq ft

How much does a building permit cost in unincorporated Bayfield County, WI?

The minimum permit fee is $75 for non-habitable residential structures; habitable residential structures have a $125 minimum. Fees are calculated as: Habitable enclosed area $0.50/sq ft; unenclosed areas or attached non-habitable garages $0.20/sq ft; commercial principal structures $250 plus $5 per $1,000 of construction cost; commercial accessory structures $150 plus $5 per $1,000. Plan check fee: Not separately published on the county fee page; fee schedule appears to bundle administrative review.

How do I apply for a building permit in unincorporated Bayfield County, WI?

1. Start with land use permit review before construction. 2. Submit the application by email, printed mail, or in person. 3. Include the Tax ID or tax statement; if recently purchased, include the recorded deed. 4. Include a site plan and other required documents. 5. Obtain the sanitary permit before the county land use permit and before the state building permit where applicable.

How long does it take to get a building permit in unincorporated Bayfield County, WI?

Typical processing time is Non-habitable structures not in floodplain, shoreland, or wetland are approximately 2 to 3 weeks during busy season..

What work is exempt from building permits in unincorporated Bayfield County, WI?

The following work is generally exempt: Non-habitable accessory structures under 200 sq ft, if not in shoreland, wetland, or floodplain; Private communication devices outside floodplain, wetland, or shoreland zones; Small landings under 40 sq ft. Note: Agricultural structures are not exempt from permit requirements.