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Assessor
Welcome
This site has been prepared by the Sweetwater County Assessor's Office to help property owners better understand the functions of the Assessor's Office and provide information on what tax relief programs are available, how property tax is determined, how real property is assessed, what personal property a business should declare, and much more. Please check out the links on the left for more information.

Department Goal
The goal of the Assessor's Office is to assist the taxpayer in an efficient, knowledgeable, and friendly manner. We strive to provide accurate information and will always make the service we provide to the citizens of Sweetwater County our top priority. If you have any questions regarding the value of your property or the valuation process, the Assessor's Office is always ready to assist and serve you.

Duties & Responsibilities
It is the statutory duty of the Assessor's Office to locate, identify, and value all taxable property (real property and personal property used by businesses) in Sweetwater County as of January 1 of each year. The assessors are mandated and prescribed by state law on how and when assessments are performed.

The assessor strives to value properties accurately, fairly, and uniformly according to guidelines from Wyoming Statutes and the Wyoming Department of Revenue. The office also maintains property information including maps, legal descriptions, owner information, and improvement details. In addition, the Assessor’s Office maintains a property file and property card on every parcel of land that is not exempt.

What We Don't Do
The assessor does not establish the dollar amount of taxes nor does the assessor bill or collect taxes. The voting taxpayers, county commissioners, state limitations, and assessed values determine the tax rate for each of the tax districts in Sweetwater County. The County Treasurer's Office is responsible for billing and collecting taxes. Building permits are issued by the Sweetwater County Planning and Zoning Office and the cities of Rock Springs and Green River.

Contact Us
County Assessor
Pat Drinkle
County Assessor
Email

80 W. Flaming Gorge Way
Suite 122
Green River, WY 82935

Ph: (307) 872-3700
Fax: (307) 872-3998

Hours
Monday - Friday
8:00 am - 5:00 pm