County Building Permits

Multnomah County, OR - 2026 Building Permit Guide

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

Oregon Updated March 2026

Important: Multnomah 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 Multnomah County

Permit authority
Split authority. Multnomah County Land Use Planning handles zoning, land use, and county review for rural and unincorporated property; structural building permits are routed to City of Portland, City of Gresham, or City of Troutdale depending service area.
Phone
503-988-3043
Address
Land Use Planning, 1600 SE 190th Ave., Portland, OR 97233

Jurisdictions in Multnomah County

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

Unincorporated Multnomah County Permit guide → Fairview Permit guide → Gresham Permit guide → Maywood Park Permit guide → Portland Permit guide → Troutdale Permit guide → Wood Village 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 Oregon Resources

License Requirements Verify your contractor's Oregon license → Contract Template Free homeowner-contractor agreement →

Need help with your project?

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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.