Lafayette County, WI - 2026 Building Permit Guide

Permit Authority

Unincorporated Lafayette County. The county page lists zoning and land-use permits, sanitary permits, floodplain maps and regulation, setbacks, septic system inspection, subdivision development, and related land-development services

Department

Lafayette County Land Conservation and Planning & Zoning Department

Address

700 Main Street, Darlington, WI 53530; county page also lists 626 Main Street, Darlington, WI 53530 and 700 Main Street lower level for the combined department

Phone

(608) 776-3836

Website

https://www.lafayettecountywi.org/lcpz/page/planning-and-zoning

Application Process

General Requirements

County zoning permit required for new building, addition, moving, alteration, and repairs in the county zoning form; the zoning ordinance also sets permit and review procedures

Required Documents

• Application, site sketch, setbacks, estimated value, construction type, size, stories, bedrooms, bathrooms, driveway and fire number responses, and other project details

Permit validity

County ordinance states approvals expire within one year unless substantial work has commenced

Building code

County zoning ordinance is separate from Wisconsin UDC. For one- and two-family dwellings, the Wisconsin Uniform Dwelling Code application applies through the enforcing jurisdiction and DSPS processes

Owner-builder

County permit form includes owner and signature statements; the ordinance and form do not publish a separate owner-builder policy beyond standard state contractor/certification rules, so thin data

Contractor requirements

County form asks for contractor, qualifier, master plumber, and certification data where applicable; state rules apply

Fees

Minimum permit fee

2026 fee schedule shows residential zoning permit at $100 per floor, including basement; non-residential permits are based on square footage with a no-fee threshold under 149 sq ft if setbacks are met

Permit fee formula

2026 fee schedule shows residential zoning permit at $100 per floor, includes basement. Non-residential zoning permit fees scale by square footage: 150 to 499 sq ft $100; 500 to 1,000 sq ft $150; 1,000 to 2,999 sq ft $200; 3,000 to 4,999 sq ft $250; 5,000 to 7,999 sq ft $300; 8,000 to 10,000 sq ft $350; 10,000 to 20,000 sq ft $400; over 20,000 sq ft $450, plus $50 for each additional 1,000 sq ft beyond that schedule where applicable

Reinspection fee

Ordinance says fees may be required for zoning document reviews and zoning inspections or re-inspections, and if work starts before a required zoning permit, permit fees are doubled or $200, whichever is greater; see ordinance

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

Work That Does NOT Require a Permit

• County pages do not publish a clean exempt-work list for building permits. The fee sheet indicates non-residential work under 149 sq ft has no zoning fee if setbacks are met

Inspections

How to Schedule

• County public pages do not publish a standardized inspection scheduling workflow for building permits; thin data (contact)

Inspection hours

Office hours are 8:00 a.m. to 4:30 p.m.

Typical inspection sequence: County zoning review, then sanitary or other related approvals where required, then permit issuance and inspections as applicable

Ordinance expressly includes zoning inspections and re-inspections in the fee structure; stop-work authority is also published

Additional Resources

• Building code: County zoning ordinance is separate from Wisconsin UDC. For one- and two-family dwellings, the Wisconsin Uniform Dwelling Code application applies through the enforcing jurisdiction and DSPS processes
• Zoning information: View zoning info
• Ordinance PDF
• Fee schedule
• Zoning permit form
• Land division resources
• License lookup guide: Wisconsin Contractor License Requirements
• Contract template: Wisconsin Homeowner-Contractor Agreement
• Wisconsin hub: Wisconsin Contractor License & Permit Hub

Frequently Asked Questions

Lafayette County Building Permit FAQ

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

County zoning permit required for new building, addition, moving, alteration, and repairs in the county zoning form; the zoning ordinance also sets permit and review procedures

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

The minimum permit fee is 2026 fee schedule shows residential zoning permit at $100 per floor, including basement; non-residential permits are based on square footage with a no-fee threshold under 149 sq ft if setbacks are met. Fees are calculated as: 2026 fee schedule shows residential zoning permit at $100 per floor, includes basement. Non-residential zoning permit fees scale by square footage: 150 to 499 sq ft $100; 500 to 1,000 sq ft $150; 1,000 to 2,999 sq ft $200; 3,000 to 4,999 sq ft $250; 5,000 to 7,999 sq ft $300; 8,000 to 10,000 sq ft $350; 10,000 to 20,000 sq ft $400; over 20,000 sq ft $450, plus $50 for each additional 1,000 sq ft beyond that schedule where applicable.

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

The following work is generally exempt: County pages do not publish a clean exempt-work list for building permits. The fee sheet indicates non-residential work under 149 sq ft has no zoning fee if setbacks are met.

How do I schedule a building inspection in unincorporated Lafayette County, WI?

Inspections can be scheduled via: County public pages do not publish a standardized inspection scheduling workflow for building permits; thin data.