County Building Permits

Island County Building Permit Guide

Building permit information for unincorporated Island County and all incorporated cities. Find your jurisdiction's permit authority, application process, fees, and requirements.

Washington Updated March 2026

Important: Island County issues building permits only for properties in unincorporated areas of the county. If your property is inside an incorporated city, select your city below — that city's building department handles your permits, not the county.

Unincorporated Island County

Permit authority: Planning & Community Development Department - Building Division
Website: Building Department
Online portal: Island County Public Portal
Phone: (360) 679-7339 (Building)
Email: Buildingdept@islandcountywa.gov
Governing body: Island County Board of Commissioners

Cities in Island County

Select your city for local permit authority, portal links, application steps, fees, and inspection requirements.

Oak Harbor Permit guide → Langley Permit guide → Coupeville Permit guide →

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the relevant city or county department before applying.

Related Washington Resources

License Requirements Verify your contractor's L&I license → Contract Template Free homeowner-contractor agreement →

Need help with your project?

Navigating permits in Island County 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.

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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 authorities 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.