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Twin Falls County Property Tax Due Date

Idaho

(208) 736-4008

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.

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Twin Falls County Treasurer

Treasurer

Becky Petersen

Office Address

630 Addison Ave W, Suite 2200
Twin Falls, ID 83301

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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 Twin Falls County Treasurer

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In Person

Visit the Treasurer's office — 630 Addison Ave W, Suite 2200, Twin Falls ID 83301, Mon-Fri 8am - 5pm

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Other Counties in Idaho

AdaAdamsBannockBear LakeBenewahBinghamBlaineBoise

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About Twin Falls County

Twin Falls County is a county in the south central part of the U.S. state of Idaho. As of the 2020 census, the population was 90,046, making it the fifth-most populous county in Idaho. The county seat and largest city is Twin Falls.

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

Related Resources

CountyRollCounty Office Directory

Find the assessor, treasurer & recorder for Twin Falls

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Property Tax FAQTax Calendar

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Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.