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
Jefferson County Treasurer
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Jefferson County Treasurer
In Person
Visit the Treasurer's office — 210 Courthouse Way 160, Rigby ID 83442, Mon-Fri 9am - 5pm
About Jefferson County
Jefferson County is a county located in the U.S. state of Idaho. As of the 2020 Census, the county's population was 30,891. The county seat and largest city is Rigby.
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.