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
Clayton County Treasurer
Phone
(563) 245-1807How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Clayton County Treasurer
In Person
Visit the Treasurer's office
Other Counties in Iowa
About Clayton County
Clayton County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 17,043, and was estimated to be 16,931 in 2024. The county seat is Elkader and the largest city is Guttenberg.
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.