When are property taxes due in Elmore County, Idaho?

Elmore 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 Elmore County, Idaho?

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

How do I pay Elmore County, Idaho property taxes?

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

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Elmore County Property Tax Due Date

Idaho

(208) 587-2138

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 →

Elmore County Treasurer

Treasurer

Amber Sloan

Phone

(208) 587-2138

Office Address

150 S 4th E St #4
Mountain Home, ID 83647

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Office Hours

Mon-Fri 9am - 5pm

How to Pay

Online

Pay using credit card or e-check

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By Mail

Mail check payable to Elmore County Treasurer

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In Person

Visit the Treasurer's office — 150 S 4th E St #4, Mountain Home ID 83647, Mon-Fri 9am - 5pm

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Other Counties in Idaho

Ada Adams Bannock Bear Lake Benewah Bingham Blaine Boise

View all Idaho counties →

About Elmore County

Elmore County is a county in the U.S. state of Idaho. As of the 2020 census, the population was 28,666. The largest city and county seat is Mountain Home.

Source: Wikipedia — content available under CC BY-SA 4.0

Related Resources

CountyRollCounty Office Directory

Find the assessor, treasurer & recorder for Elmore

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Property Tax FAQ Tax Calendar

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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.