Code Information / County and State Sites
- 2018 I-Codes
- 2018 Washington State Energy Codes (WSEC)
- 2018 Washington State Energy Code - Commercial (WSEC)
- 2018 Washington State Energy Code - Residential (WSEC)
- 2018 Uniform Plumbing Code (UPC)
- 2018 National Fuel Gas Code (NFPA 54)
- 2017 Liquefied Petroleum Gas Code (NFPA 58)
- 2020 Washington Cities Electrical Code (Effective 10/29/2020)
- 2017 Washington Cities Electrical Code
- 2017 National Electrical Code (NFPA 70)
- 2018 Washington State-Wide Amendments
- 2018 International Swimming Pool and Spa Code (ISPSC)
- 2009 ICC A117.1 Accessible and Useable Buildings and Facilities
- International Code Council
- Washington Association of Building Officials
- International Association of Plumbing and Mechanical Officials
- National Fire Protection Association
- American National Standards Institute
- Sheet Metal and Air Conditioning Contractors National Association
- Washington State University Energy Program - Residential Energy Requirements
- Northwest Energy Efficiency Council - Non-Residential Energy Requirements<