2026 Property Tax Due Dates
Installment 1
December 20
Full payment or first half
Installment 2
June 20
Second half (if split)
Penalty: 2% + 1% per month interestGrace period: None
Payment Methods
Online, Mail, In-Person
Fremont County Treasurer
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Fremont County Treasurer
In Person
Visit the Treasurer's office — 151 W 1st North, Room 11, St. Anthony ID 83445, Mon-Fri 9am - 5pm
About Fremont County
Fremont County is a county located in the U.S. state of Idaho. As of the 2020 census the county had a population of 13,388. The county seat and largest city is St. Anthony.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you 14 days 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.