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
Idaho County Treasurer
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Idaho County Treasurer
In Person
Visit the Treasurer's office — 320 West Main St, Rm 2, Grangeville ID 83530, Mon-Fri 8am - 5pm
About Idaho County
Idaho County is a county in the U.S. state of Idaho, and the largest by area in the state. As of the 2020 census, the population was 16,541. The county seat is Grangeville.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you 20,160 minutes 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.