County Building Permits

Franklin County Building Permit Guide

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

Washington Updated March 2026

Important: Franklin County is consolidated in terms of building permits. Three of five jurisdictions -- Unincorporated Franklin County, Mesa, and Kahlotus -- route all building permits through the Franklin County Planning and Building Department. Only Pasco and Connell have independent permit offices. If your property is in Mesa or Kahlotus town limits, follow the county procedures below.

Unincorporated Franklin County

Permit authority
Franklin County Planning and Building Department
Inspections
509-545-3522
Address
Franklin County Courthouse, 1016 N 4th Avenue, Pasco, WA 99301
Hours
Monday-Friday, 8:00 AM to 5:00 PM

Jurisdictions in Franklin County

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

Unincorporated Franklin County Permit guide → Pasco Permit guide → Connell Permit guide → Mesa Permit guide → Kahlotus 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 registration → Contract Template Free homeowner-contractor agreement →

Need help with your project?

Navigating permits in Franklin County can be complicated.

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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.