Building Division

Please submit your questions to:  Staff will typically respond to your email within one business day.  

The Building Division's first priority is to provide efficient review of permit applications while maintaining a high quality of customer service.  

What code references does Cowlitz County Use?

Cowlitz County Code (CCC) 16.05, International Building Code (IBC), International Residential Code (IRC), International Mechanical Code (IMC), Uniform Plumbing Code (UPC), International Fire Code (IFC), and the Washington State Energy Code.  

What is the purpose of submitting plans for reviews?

The purpose of plan review is to assure that your plans are complete and comply with the required state and local standards.  


Your permit may require multiple inspections before completion of your project.  Inspections can be requested through your online permit account or by calling our Inspection Line at 360-577-3031.  Please see our Inspection Page for more details.