County Building Permits
Lewis County Building Permit Guide
Building permit information for unincorporated Lewis County and all incorporated cities and towns. Find your jurisdiction's permit authority, application process, fees, and requirements.
Important: Lewis County issues building permits only for properties in unincorporated areas of the county. If your property is inside an incorporated city or town, select your jurisdiction below — that city or town's building department handles your permits, not the county.
Unincorporated Lewis County
- Permit authority
- Lewis County Community Development
- Website
- County Community Development
- Online portal
- SmartGov Portal (Paperless)
- Phone
- (360) 740-1146
- Address
- 125 NW Chehalis Ave, Chehalis, WA 98532
- permitcenter@lewiscountywa.gov
Cities & Towns in Lewis County
Select your city or town for local permit authority, portal links, application steps, fees, and inspection requirements.
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the relevant city, town, or county department before applying.
Related Washington Resources
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