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Thurston County, Washington

Martin Luther King Jr. Day - Monday, January 19

County facilities will be closed on Monday, January 19 in observance of Martin Luther King Jr. Day.

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

CODES

CODES

In general, all County Codes can be found online in Municode. When the County adopts new resolutions or codes, it can take up to six months before they are shown in Municode.  The following codes have been adopted but as of January 12, 2026, are not yet reflected in Municode.

2025 Comprehensive Plan Code Amendments (Titles 18 and 20) - Ordinance 16575 (DETACHED ADU CODE)

2025 Permit Review Process Annual Code Update Amendments - Ordinance 16590 (Effective February 14, 2026)

Code Clarifications related to Hearing Examiner, Non-conforming Structures, Multiple Applications, Sign postings and more -Ordinance-16280

Notice: The newly adopted codes listed and linked above are related to building and development. New or updated county codes from other departments like the Sheriff, Superior Court and other departments are not in this list. Please contact Building Development Center staff for details about building and development code updates when planning your building or development project and application materials.

RESCINDED POLICIES & PROCEDURES