Adopted Codes
Building Codes adopted by the City of Mill Creek as of 3/5/2021, as amended by the State of Washington Building Code Council (SBCC):
- 2021 International Building Code
- 2021 International Residential Code
- 2021 International Mechanical Code
- 2021 International Fuel Gas Code
- 2021 International Fire Code
- 2021 International Existing Building Code
- 2021 Uniform Plumbing Code
- Residential Energy Code Info
- WA State Amendments to ICC Codes as applicable
- National Electrical Code: Electrical permits administered by the WA State Dept. of L & I
Design Criteria for Mill Creek
| Ground Snow Load | 25 psf |
|---|---|
| Seismic Design | Category D1 |
| Wind Speed | 110mph |
| Wind Exposure | B & C |
| Minimum Frost Depth | 12 inches |