2026 Property Tax Due Dates
County-specificNovember 10
First half payment due (or pay in full by Dec 31)
May 10
Second half payment due (following year)
Crook County Treasurer
Treasurer
Tammy Jundt
Phone
307-283-1244Fax
307-283-1044
Mailing Address
PO Box 160
Sundance, WY 82729
Office Hours
How to Pay
Online
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By Mail
Mail check payable to Crook County Treasurer — PO Box 160, Sundance WY 82729
In Person
Visit the Treasurer's office — 309 Cleveland Street, Sundance WY 82729, Monday - Friday
About Property Taxes in Wyoming
Wyoming has among the lowest effective property tax rates in the United States. The state levies no income tax, but its abundant natural resource revenues (oil, gas, coal, minerals) reduce the burden on property taxpayers significantly. Property taxes are administered at the county level. Residential property is assessed at 9.5% of market value, while commercial property is assessed at 11.5%. Wyoming's combination of low assessment ratios and low mill rates typically results in effective tax rates well under 0.6% of market value for residential properties.
Payment & Assessment
Wyoming property taxes are paid in two equal installments: First half: Due November 10 Second half: Due May 10 of the following year A penalty of 1.5% per month applies to late payments. Most counties offer online payment through the county treasurer's website. Contact your county for payment options.
Statewide framework for Wyoming. Your county's specific rates and deadlines are shown above.
Other Counties in Wyoming
About Crook County
Crook County is a county in the northeastern corner of the U.S. state of Wyoming. As of the 2020 United States census, the population was 7,181, making it the third-least populous county in Wyoming. Its county seat and largest city is Sundance. The county is located at the northwestern extreme of the Black Hills, which are its defining geographical feature.
Source: Wikipedia — content available under CC BY-SA 4.0
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Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.