Assessor's Office

Assessor: David M. Thomas

  Assessor: Dave Thomas

Welcome to the
Skagit County Assessor's homepage!

The assessor acts as an agent for the Washington State Department of Revenue and is responsible for administering the property tax system for the county. This process involves establishing real and personal property values for distributing taxes for each tax district, as well as reviewing each tax district’s budget request to assure all legal requirements and limitations are met. The assessor also administers and monitors compliance for recipients of tax benefit programs, such as the Senior Citizen and Disabled Exemption program and the various Current Use programs for properties used for agriculture, timber and open space.

It is my goal for this web page to provide information related to property tax rules and procedures, assessment and sales information, and current events which affect assessment in our county.

I welcome any comments or suggestions you may offer for improving this website to better serve the needs of the users and citizens of Skagit County.


David M. Thomas

Skagit County Assessor




Mission Statement

Our mission is to serve the citizens of Skagit County by striving for the highest level in equity of assessment, efficiency of operation, and professionalism of our staff.

This web site has been prepared to answer questions you might have about the property tax system in Skagit County. There are no unique rules or R.C.W.'s in Skagit County.

The property tax system is designed to treat all taxpayers equally across the State of Washington. My office works hard to treat everyone fairly and promptly. In these pages you will find a group of commonly asked questions about revaluations, the Board of Equalization, values, levies, and an assortment of useful information.

We also realize that there may be many individual questions specifically related to your property taxes. Please feel free to come in or call and we will try to supply you with the desired information.

Press Release from the Swinomish Indian Tribal Community
Regarding Shelter Bay Taxes

Assessor Sales Data.
This tool will enable you to search valid sales dating back three years and is illustrated by a colored legend to associate the year of the sale. This tool is built into Imap and you can select other layers or views if you prefer. The details for a selected parcel will appear in a new window.
You can view the Sales Data iMap layer here.

Office Hours: 8:30 to 4:30 Mon - Fri
Administration Building, Room 204
700 South 2nd Street
Mount Vernon, WA 98273
Phone: (360) 336 - 9370
FAX: (360) 336 - 9308