County Building Permits

Washington County, WI - 2026 Building Permit Guide

How to apply for a building permit in unincorporated Washington County, Wisconsin. Permit authority, application steps, fees, and inspection requirements.

Wisconsin Updated March 2026

Permit Authority

County permitting in unincorporated Washington County is not a unified building department. County Planning and Parks handles county-administered shoreland, floodplain, wetland, land division, and park/planning permits; applicants must also contact the specific town for building, zoning, driveway, and trade permit routing.

Department
Washington County Planning and Parks Department for county shoreland, wetland, floodplain, land division, and related unincorporated zoning approvals; building permits are otherwise routed through the applicable town inspector or town zoning office rather than a single countywide building department.
Address
333 E Washington St, Suite 2300, West Bend, WI 53095
Phone
262-335-4445

Online Permit Portal

Platform: Washington County Planning and Parks web forms and departmental routing • Account required: No • Submission: In-person only

Additional resources:

Application Process

  1. Confirm whether the parcel is in unincorporated Washington County and whether county shoreland, wetland, floodplain, land division, or park/planning approvals apply.
  2. Use the county GIS tools and Planning and Parks pages to identify regulated areas and required county approvals.
  3. Submit county applications for any county-regulated approvals and town applications for building or zoning permits as required.
  4. Do not begin work until both county and town approvals are issued where applicable.

Source: Washington County Planning and Parks Department for county shoreland, wetland, floodplain, land division, and related unincorporated zoning approvals; building permits are otherwise routed through the applicable town inspector or town zoning office rather than a single countywide building department.

General Requirements

County approvals are required for county-regulated activities in unincorporated areas, especially shoreland, floodplain, wetland, and land division matters. Building permits are generally handled by the town inspector.

Required Documents

  • Varies by permit type
  • typically site plans, surveys, project descriptions, and regulated-area information.
Building code
County pages reviewed are planning and zoning oriented rather than a unified county building code page.

Fees

Payment note
Applicants may need separate county and town payments depending on permit routing.

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

Work That Does NOT Require a Permit

  • Applicants should not assume exemption for shoreland, floodplain, wetland, or land division activity without county confirmation.

Inspections

How to Schedule

  • Varies by permit type and by the town inspector for building inspections. (phone)
Inspection hours
County office hours were not clearly posted on the page reviewed.

Typical inspection sequence: County inspections vary by county permit type; structural inspections are routed through the town or town-contracted inspector.

Additional Resources

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Washington County Planning and Parks Department for county shoreland, wetland, floodplain, land division, and related unincorporated zoning approvals; building permits are otherwise routed through the applicable town inspector or town zoning office rather than a single countywide building department. before applying.

Frequently Asked Questions

Washington County Building Permit FAQ

Do I need a building permit in unincorporated Washington County, WI?
County approvals are required for county-regulated activities in unincorporated areas, especially shoreland, floodplain, wetland, and land division matters. Building permits are generally handled by the town inspector.
How do I apply for a building permit in unincorporated Washington County, WI?
1. Confirm whether the parcel is in unincorporated Washington County and whether county shoreland, wetland, floodplain, land division, or park/planning approvals apply. 2. Use the county GIS tools and Planning and Parks pages to identify regulated areas and required county approvals. 3. Submit county applications for any county-regulated approvals and town applications for building or zoning permits as required. 4. Do not begin work until both county and town approvals are issued where applicable.
What work is exempt from building permits in unincorporated Washington County, WI?
The following work is generally exempt: Applicants should not assume exemption for shoreland, floodplain, wetland, or land division activity without county confirmation..
How do I schedule a building inspection in unincorporated Washington County, WI?
Inspections can be scheduled via: Varies by permit type and by the town inspector for building inspections..

Need help with your project?

Navigating permits in Unincorporated Washington County can be complicated.

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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 authority 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.
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