When are property taxes due in Black Hawk County, Iowa?

Black Hawk 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 Black Hawk County, Iowa?

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

How do I pay Black Hawk County, Iowa property taxes?

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

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Black Hawk County Property Tax Due Date

Iowa

2026 Property Tax Due Dates

Installment 1

September 30

First half

Installment 2

March 31

Second half

Penalty: 1.5% per monthGrace period: None

Payment Methods

Online, Mail, In-Person

Black Hawk County Treasurer

How to Pay

Online

Pay using credit card or e-check

By Mail

Mail check payable to Black Hawk County Treasurer

In Person

Visit the Treasurer's office

Other Counties in Iowa

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About Black Hawk County

Black Hawk County is a county in the northeastern part of the U.S. state of Iowa. As of the 2020 census, the population was 131,144, making it Iowa's fifth-most populous county. The county seat is Waterloo.

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

Related Resources

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