2026 Property Tax Due Dates
Installment 1
November 10
First half (50%)
Installment 2
May 10
Second half (50%)
Penalty: Interest charged if not paid on timeGrace period: Full payment by Dec 31 avoids late penalties
Payment Methods
Online, Mail, In-Person
Big Horn County Treasurer
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Big Horn County Treasurer — P.O. Box 430
In Person
Visit the Treasurer's office — 420 West C Street, Basin WY 82410, Mon-Fri 8am - 5pm
Other Counties in Wyoming
About Big Horn County
Big Horn County is a county in the U.S. state of Wyoming. As of the 2020 United States census, the population was 11,521. The county seat is Basin.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you 336 hours before your property taxes are due.
Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.