County Building Permits

San Juan County Building Permit Guide

Building permit information for the Town of Friday Harbor and unincorporated San Juan County (Orcas Island, Lopez Island, Shaw Island, and smaller islands). Find your jurisdiction's permit authority, application process, fees, and requirements.

Washington Updated March 2026

Important: San Juan County has only one incorporated municipality: the Town of Friday Harbor. All other communities — Eastsound, Lopez Village, Deer Harbor, Olga, Roche Harbor, and all smaller island communities — fall under unincorporated county jurisdiction. Check your property address to determine which permit authority applies.

Jurisdictions in San Juan County

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

Town of Friday Harbor

Friday Harbor is the incorporated town and county seat. If your property address is within the Town of Friday Harbor city limits, use the Friday Harbor permit guide.

Authority
Community Development & Planning Dept.
Phone
(360) 378-2810 ext. 248
Submission
Email or in-person (no online portal)
Special Note
Historic Preservation Review Board required for exterior work in the historic district

Unincorporated San Juan County

Covers all unincorporated areas: Orcas Island, Lopez Island, Shaw Island, outer islands, and smaller communities. If your property is NOT within the Town of Friday Harbor city limits, you are in unincorporated county jurisdiction.

Authority
Department of Community Development (DCD)
Phone
(360) 378-2116 (Building) or (360) 378-2354 (Planning)
Inspection
Request online or call (360) 378-6270
Special Note
Long processing times (200+ days typical); ferry-dependent for island inspections

Information on this page was last verified: March 2026. Permit rules, processing times, and fees change — confirm current requirements directly with the relevant jurisdiction before applying.

Related Washington Resources

Need help with your project?

Navigating permits in San Juan County can be complex.

Long processing times, island logistics, critical areas, and shoreline regulations make San Juan County unique. Jaspector connects you with local experts who understand your island and can help you navigate the permitting process.

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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.