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
Butler County Treasurer
Phone
(319) 267-2703How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Butler County Treasurer
In Person
Visit the Treasurer's office
Other Counties in Iowa
About Butler County
Butler County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 14,334. Its county seat is Allison.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you 14 days 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.