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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

This page highlights the latest permitting news and information, providing a quick overview of changes that may affect the application and permitting process and links to more details. If you'd like to be notified about permitting news and information, subscribe to the Permitting email list and we'll notify you when this page changes and email the updates to you.

January 8, 2025 - NEW ONLINE OPTION! Comment on a Project - NOW AVAILABLE

The county is seeking your input on projects with active noticing periods. If you'd like to see new applications, State Environmental Protection Act (SEPA) determinations, upcoming public hearings visit our one-stop page and Comment on a Project

image of a person filling out permitting checklist

New Permit Process Improvements Take Effect March 1, 2025

A new state law, SB5290, reduces permitting timelines. To comply, we’re making changes:   

  • We will only accept complete application packets. Submittal checked at counter before intake. 
  • Concurrent Critical Areas Review required when you apply. 
    • A Critical Areas Review is the official permit required if a project is in proximity (within 400 feet) to critical areas. 
    • Projects near critical areas may require additional biological reports by experts. Find details on the Critical Areas Review webpage
    • To ask questions about your specific project, visit the permit office or contact us at planning@co.thurston.wa.us.
  • New forms & checklists available now on our Applications & Forms page.

About Critical Areas & How to See if they are mapped on a Property

Where to Find the CAD Determination Form & More information

Subscribe to our email list for occasional updates

  • Subscribe to the Permitting email list and we'll send information and updates to your email inbox as they become available. 

SB5290: New State Law Leads to Permitting Process Changes

November 25, 2024 - A new Washington state law goes into effect on January 1. State Bill 5290 requires all permit development agencies (like Thurston County Permitting) to shorten permitting timelines. In the past, we accepted incomplete application packets as a courtesy to our customers, but starting January 1 the process changes. 

  • Permit timelines: Shortens the time for permitting. 
  • Permit fees change: The new fees will be posted in 2025. 
  • Submittal and review requirements: Changes submittal and review requirements.
  • Application review timelines and standards: Brings the county's application review timelines into line with state law.