When are property taxes due in Buchanan County, Iowa?

Buchanan County property taxes are due September 30. A second installment is due March 31. This deadline applies to all counties in Iowa.

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

The late payment penalty in Buchanan County is 1.5% per month.

How do I pay Buchanan County, Iowa property taxes?

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

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Buchanan County Property Tax Due Date

Name: Treasurer
Telephone: (319) 334-4340

Iowa

(319) 334-4340

2026 Property Tax Due Dates

Official Source

Installment 1

September 30

First half

Installment 2

March 31

Second half

Pay Taxes Online →

Penalty: 1.5% per monthGrace period: None

Payment Methods

Online, Mail, In-Person

Buchanan County Treasurer

Phone

(319) 334-4340

How to Pay

Online

Pay using credit card or e-check

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By Mail

Mail check payable to Buchanan County Treasurer

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In Person

Visit the Treasurer's office

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Other Counties in Iowa

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