When are property taxes due in Idaho County, Idaho?

Idaho County property taxes are due December 20. A second installment is due June 20. This deadline applies to all counties in Idaho.

What is the penalty for late property tax payment in Idaho County, Idaho?

The late payment penalty in Idaho County is 2% + 1% per month interest.

How do I pay Idaho County, Idaho property taxes?

You can pay Idaho County property taxes via Online, mail, in-person.

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Idaho County Property Tax Due Date

Idaho

(208) 983-2801

2026 Property Tax Due Dates

Official Source

Installment 1

December 20

Full payment or first half

Installment 2

June 20

Second half (if split)

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Penalty: 2% + 1% per month interestGrace period: None

Payment Methods

Online, Mail, In-Person

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Idaho Laws That May Affect Your Property Taxes

Idaho recently changed homestead exemption rules and property assessment methods — effective January 1, 2026. See which bills passed and what they mean for your bill.

View on Tally Idaho →

Idaho County Treasurer

Treasurer

Abbie Hudson

Phone

(208) 983-2801

Office Address

320 West Main St, Rm 2
Grangeville, ID 83530

Get Directions

Office Hours

Mon-Fri 8am - 5pm

How to Pay

Online

Pay using credit card or e-check

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By Mail

Mail check payable to Idaho County Treasurer

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In Person

Visit the Treasurer's office — 320 West Main St, Rm 2, Grangeville ID 83530, Mon-Fri 8am - 5pm

Visit Website →

Other Counties in Idaho

Ada Adams Bannock Bear Lake Benewah Bingham Blaine Boise

View all Idaho counties →

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

CountyRollCounty Office Directory

Find the assessor, treasurer & recorder for Idaho

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Property Tax FAQ Tax Calendar

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We'll email you a fortnight 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.