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
Johnson County Treasurer
Phone
(319) 356-6087How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Johnson County Treasurer
In Person
Visit the Treasurer's office
Other Counties in Iowa
About Johnson County
Johnson County is located in the U.S. state of Iowa. As of the 2020 census, the population was 152,854, and was estimated to be 160,080 in 2024, making it the fourth-most populous county in Iowa. The county seat and the largest city is Iowa City, home of the University of Iowa.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you 2 weeks 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.