Thurston County Building Codes

 

 Thurston County Codes for Building

The Washington State Building Code Council adopts national standards promulgated by the International Code Council (ICC) and the International Association of Plumbing and Mechanical Officials (IAPMO).

Thurston County is required to adopt the code that the state adopts. Thurston County can then make changes to all but the non-administrative portions Residential Code without approval by the State Building Code council. 

 The 2015 Code set was adopted in July 1, 2016. The 2018 Code set was adopted February 1, 2021.

• IRC = International Residential Code (One- and Two-Family Dwellings and Townhomes)
• IBC = International Building Code (Structures Other Than One- and Two-Family Dwellings and Townhomes)
• IMC = International Mechanical Code
• IFC = International Fire Code
• UPC = Uniform Plumbing Code
• WSEC = Washington State Energy Code

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Read the Code

These ICC codes can be viewed at the Building Development Center or online at: ICCSafe.org. https://codes.iccsafe.org/codes/i-codes Roll over the code icon and choose view. 

The Uniform Plumbing Code can be read at https://www.iapmo.org/publications/read-uniform-codes-online/

To see the state amendments to those codes and the Washington State Energy Code, visit the State Building Code Council Website. https://sbcc.wa.gov/state-codes-regulations-guidelines/state-building-code.

For the Commercial Energy Code information and forms also visit: www.waenergycodes.com.

For the Residential Energy Code information and forms also visit: http://www.energy.wsu.edu/buildingefficiency/energycode.aspx

To see the Thurston County amendments to those code see: https://library.municode.com/wa/thurston_county/codes/code_of_ordinances

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Get a Synopsis

• Click here to get a synopsis of the 2015 residential building code.
• Click here to get the 2018 residential plan review and inspection checklist.

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One and Two Family Dwellings and Townhomes

For Thurston County amendments to the administrative portion of the code for residential projects (one and two-family dwellings and townhomes): See Title 14.18. 

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Nonresidential (Commercial) Buildings and Subdivisions

For structures other than one and two family dwellings and townhomes, see Chapter 14.17 (entitled "Building Code").

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Manufactured Homes

For manufactured homes information, click here.

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Contact Us

Questions can be emailed to staff at the email addresses below. Just click on the e-mail address and send your questions. We would be glad to help answer any question you have about your construction plans.

at Chris.Edmark@co.thurston.wa.us or (360) 786-5466.

Commercial and Residential Plan Review, please contact:
Tim Rubert: Tim.Rubert@co.thurston.wa.us
Patrick Carnahan: patrick.carnahan@co.thurston.wa.us

Flood Review: Tim Rubert:  Tim.Rubert@co.thurston.wa.us

Fire code inspections and fire annual safety inspection: Bobby May: Bobby.May@co.thurston.wa.us