Washington Building Codes

Codes

2018 Washington State Building Code

adopts the IBC 2018 with amendments

2018 Washington State Residential Code

adopts the IRC 2018 with amendments

2018 Washington State Existing Building Code

adopts the IEBC 2018 with amendments

2018 Washington State Fire Code

adopts the IFC 2018 with amendments

2018 Washington State Mechanical Code

adopts the IMC 2018 with amendments

Fuel Gas Code 2018 of Washington

adopts the IFGC 2018 with amendments

2018 Washington State Energy Code - Commercial Provisions

adopts the IECC 2018 with amendments

2018 Washington State Energy Code - Residential Provisions

adopts the IECC 2018 with amendments

2018 Washington State Wildland-Urban Interface Code

adopts the IWUIC 2018 with amendments

Swimming Pool and Spa Code 2018 of Washington

adopts the ISPSC 2018 without amendments

Accessible and Usable Buildings and Facilities 2009 of Washington

adopts the A117.1, 2009 with amendments

Standard for the Installation of Sprinkler Systems 2016 of Washington

adopts the NFPA 13, 2016 with amendments

National Fire Alarm and Signaling Code 2016 of Washington

adopts the NFPA 72, 2016 without amendments

2018 Washington State Plumbing Code

adopts the UPC 2018 with amendments

Safety Code for Elevators and Escalators 2016 of Washington

adopts the ASME A17.1, 2016 with amendments

Building Code Requirements for Structural Concrete of Washington

adopts the ACI 318 2014 with amendments

2015 Washington State Building Code

adopts the IBC 2015 with amendments

2015 Washington State Residential Code

adopts the IRC 2015 with amendments

2015 Washington State Existing Building Code

adopts the IEBC 2015 with amendments

2015 Washington State Fire Code

adopts the IFC 2015 with amendments

2015 Washington State Mechanical Code

adopts the IMC 2015 with amendments

2015 Washington State Fuel Gas Code

adopts the IFGC 2015 with amendments

2015 Washington State Energy Code

adopts the IECC 2015 with amendments

WAC 51-54A-8200 Appendix N: Wildland Urban Interface Code

adopts the IWUIC 2015 with amendments

Swimming Pool and Spa Code 2015 of Washington

adopts the ISPSC 2015 without amendments

Standard for the Installation of Sprinkler Systems 2013 of Washington

adopts the NFPA 13, 2013 without amendments

OSHA

OSHA 1904 Recordkeeping

OSHA 1910 General Industry

OSHA 1926 Construction

Additional Resources

2010 ADA Standards

Fair Housing Act Design Manual [PDF]

Adoption Info

INCORPORATED AMENDMENTS

2018

2018 Washington State Building Code
(CHAPTER 51-50 WAC)
2018 IBC Insert Pages
Effective February 1, 2021
Original document

2018 Washington State Residential Code
(CHAPTER 51-51 WAC)
2018 IRC Insert Pages
Effective February 1, 2021
Original document

2018 Washington State Mechanical Code
(CHAPTER 51-52)
2018 IMC Insert Pages
Effective February 1, 2021
Original document

2018 Washington State Fire Code
(CHAPTER 51-54A)
2018 IFC Insert Pages
Effective February 1, 2021
Original document

2018 Washington State Building Code
(CHAPTER 51-56 WAC)
State Building Code Adoption and Amendment of the 2018 Edition of the Uniform Plumbing Code
Effective February 1, 2021
Original document

2018 Washington State Energy Code - Commercial
(CHAPTER 51-11C)
2018 IECC Commercial Provisions Insert Pages
Effective February 1, 2021
Original document

2018 Washington State Energy Code - Residential
(CHAPTER 51-11R WAC)
2018 IECC Residential Provisions Insert Pages
Effective February 1, 2021
Original document

WAC 296-96-00675
Effective October 1, 2018
Original document

2015

2015 IBC 2nd Edition (Chapter 51-50 WAC)
Effective July 1, 2019
Original document

2015 IRC 2nd Edition (Chapter 51-51 WAC)
Effective July 1, 2019
Original document

2015 IFC 3rd Edition (Chapter 51-54A WAC)
Effective July 1, 2019
Original document

WAC 51-11C (Commercial) 3rd Edition
Effective July 1, 2019
Original document

NOTICE

The 2018 Washington State Building Code includes adoption of the 2018 International Existing Building Code and ICC/ANSI A117.1-2009.

The 2018 Washington State Mechanical Code includes adoption of 2018 International Fuel Gas Code, 2018 NFPA 58 & 2017 NFPA 54.

FURTHER INFORMATION

State Codes, Regulations & Guidelines
Recently Enacted Rules

Analytics

Washington Building Codes

The building codes of Washington adopt the the 2018 Washington State Building Code, 2018 Washington State Residential Code, 2018 Washington State Existing Building Code, 2018 Washington State Fire Code, 2018 Washington State Mechanical Code, International Fuel Gas Code 2018 (IFGC 2018), 2018 Washington State Energy Code - Commercial Provisions, 2018 Washington State Energy Code - Residential Provisions, 2018 Washington State Wildland-Urban Interface Code, International Swimming Pool and Spa Code 2018 (ISPSC 2018), Accessible and Usable Buildings and Facilities, 2009, Standard for the Installation of Sprinkler Systems, 2016, National Electrical Code, 2020, National Fire Alarm and Signaling Code, 2016, Uniform Plumbing Code 2018, Safety Code for Elevators and Escalators, 2016, and the Building Code Requirements for Structural Concrete 2014.

Washington Agencies

Washington State Building Code Council
Website: https://sbcc.wa.gov
Address: 1500 Jefferson Avenue SE, Washington
P.O. Box: 41449 Olympia, Washington 98504-1449
Email: SBCC@des.wa.gov
Phone: 360-407-9255

Washington State Patrol
State Fire Marshal's Office
Website: https://www.wsp.wa.gov/state-fire-marshals-office/
Address: Helen Sommers Building, 106 11th Ave. SW, Olympia, WA 98501
Email: firemarsh@wsp.wa.gov
Phone: (360) 596-3900