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Thurston County, Washington

The content on the Thurston County website is currently provided in English. We are providing the “Translation” for approximately 10 languages. The goal of the translation is to provide visitors with limited English proficiency to access information on the website in other languages. The translations do not translate all types of documents, and it may not give you an exact translation all the time. The translations are made through an automated process, which may not result in accurate or precise translations, particularly of technical and legal terminology.

Community Planning and Economic Development

Recent county code changes for building and development aren't reflected in Official Codes until about six months after adoption. Please check Recent Code Changes to check for new ordinances.

Thurston County inspects to county, state, federal and international building codes listed below. There are also construction requirements, best practices and project-specific regulations in zoning, critical area and other county codes. 

County, State & International Building Code Links & References

Building Code Drawings & Inspections

The county inspects to the standards set by Washington state and spelled out in the State Building Code which includes the 2018 International Building Codes adopted on February 1, 2021.