County Building Permits
Oconto County, WI - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Oconto County, Wisconsin. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
County permits for land use, minor structures, sanitary permits, sign permits, zoning actions, and related reviews in unincorporated county areas
- Department
- Oconto County Planning and Zoning Department
- Address
- 301 Washington Street, Oconto, WI 54153
- Phone
- 920-834-6800
Online Permit Portal
Platform: County civic website form center • Account required: No • Submission: In-person only
Application Process
General Requirements
Required Documents
- County forms page lists land use permit application, land use instructions, land disturbance supplemental information, dwelling and foundation requirements, shoreland and floodplain guides, and UDC information
- Building code
- County pages reference Wisconsin Uniform Dwelling Code information and state permit interfaces; county land use pages do not present a single consolidated building code adoption notice on the landing pages reviewed
- Contractor requirements
- Separate electrical, plumbing, and mechanical permits are required; trade work generally must follow state licensing and local inspection rules
Fees
- Permit fee formula
- County fee sheet uses valuation-based and permit-type fees for zoning and sanitary items; building permit fees themselves were not fully visible on the public landing pages reviewed
Fees change. Verify current amounts at the official fee schedule.
Work That Does NOT Require a Permit
- County materials focus on permitted work rather than a published exemption summary
Inspections
How to Schedule
Typical inspection sequence: county zoning review, then building or sanitary review as applicable, then required inspections
County fee schedule includes re-inspection charges in related sanitary materials; verify before starting work
Additional Resources
- Building code: County pages reference Wisconsin Uniform Dwelling Code information and state permit interfaces; county land use pages do not present a single consolidated building code adoption notice on the landing pages reviewed
- Zoning information: View zoning info
- Forms and documents
- 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 Oconto County Planning and Zoning Department before applying.
Frequently Asked Questions
Oconto County Building Permit FAQ
- How much does a building permit cost in unincorporated Oconto County, WI?
- Fees are calculated as: County fee sheet uses valuation-based and permit-type fees for zoning and sanitary items; building permit fees themselves were not fully visible on the public landing pages reviewed.
- What work is exempt from building permits in unincorporated Oconto County, WI?
- The following work is generally exempt: County materials focus on permitted work rather than a published exemption summary.
Need help with your project?
Navigating permits in Oconto County Unincorporated Area can be complicated.
Jaspector connects you with local experts who can review your scope, verify your contractor, and help you understand what permits your project actually needs.
Learn how Jaspector works