Welcome to the Grant County Assessor’s webpage. This site has been prepared to help you better understand the functions of the Assessor’s office. As your Assessor, I am committed to serve and assist you personally in any matters dealing with this office. Welcome from the Assessor!


It is the purpose and role of the Assessor’s office to establish Fair Market Value for all property in Grant County for tax purposes. The Assessor is required by law to set Fair Market Value and to assure that all values are equitable, fair and uniform to all citizens of Grant County.


Web Maps


Assessor's Public Access Files

Area Current Sales:

Date Disclaimer: The above directories show the date that the containing folders were created and the last time they were updated. Do not rely on the folder creation date to determine if the documents are up to date, you will need to open the document in order to see its affective date range.

Area Sales Summaries:

Ephrata 2007 Study

Grand Coulee 2007 Study

Moses Lake 2007 Study

Quincy 2007 Study

Soap Lake 2007 Study

Warden 2007 Study


Our office provides multiple services and information that is available to the public. If you have a question about property in Grant County that is not answered by the information provided here on-line, please contact us.


Our office personnel include the Assessor, the Chief Deputy Assessor, and seventeen other staff. It is our sincere desire to serve and support you in a professional, effective, responsible and courteous manner.


The Assessor’s Office is located in the Courthouse Annex on the second floor.

Contact Information

Office Hours: Monday through Friday, 8:00a.m. to 5:00p.m.
Telephone: (509) 754-2011 ext 325 or 383
Toll Free: (inside Washington) (800) 572-0119 ext. 325 or 383
Fax: (509) 754-6575

Click for Grand Coulee, Washington Forecast

Click for Moses Lake, Washington Forecast

Click for Ephrata, Washington Forecast

Click for Quincy, Washington Forecast

Find more about Weather in Royal City, WA

Find more about Weather in Desert Aire, WA

Web hosting services are provided and managed by Grant County Technology Services

"We do the difficult every day, the impossible just takes a little longer."


| All Rights Reserved | Grant County, WA 2007-2014 |