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County building permits

Unincorporated Washington County

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

Last verified
April 2026
On this page 5
§ 01

Permit authority

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.

Street address
333 E Washington St, Suite 2300, West Bend, WI 53095
Coverage
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.
Online portal
Washington County Planning and Parks web forms and departmental routing
Washington County Planning and Parks web forms and departmental routing
Additional resources
§ 02

When a permit is required

Permit triggers and exempt work for Washington County

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.

Applicants should not assume exemption for shoreland, floodplain, wetland, or land division activity without county confirmation.
  • Exempt Applicants should not assume exemption for shoreland, floodplain, wetland, or land division activity without county confirmation.
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.
§ 03

Application process

Application → plan check → issuance → inspection → final

  1. 01
    Confirm whether the parcel is in unincorporated Washington County and whether county shoreland, wetland, floodplain, land division, or park/planning approvals apply.
  2. 02
    Use the county GIS tools and Planning and Parks pages to identify regulated areas and required county approvals.
  3. 03
    Submit county applications for any county-regulated approvals and town applications for building or zoning permits as required.
  4. 04
    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. ↗

§ 04

Required inspections

Scheduling and sequence

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

§ 05

Frequently asked

Common questions about unincorporated Washington County permits

01 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.
02 How do I apply for a building permit in unincorporated Washington County, WI?
To apply for a building permit in unincorporated Washington County, WI, follow these steps: 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.
03 What work is exempt from building permits in unincorporated Washington County, WI?
Not all construction work requires a permit 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.. When in doubt, confirm with the local building department before starting work.
04 How do I schedule a building inspection in unincorporated Washington County, WI?
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Washington County, WI via: Varies by permit type and by the town inspector for building inspections..

Educational reference. Permit rules and fees change — confirm current requirements directly with 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. Jaspector is not legal advice.