2026 Property Tax Due Dates
October 1
First installment (delinquent Nov 1)
March 1
Second installment (delinquent May 1)
Payment Methods
Online, Mail, In-Person
Coconino County Treasurer
Phone
(928) 679-8188Office Hours
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Coconino County Treasurer
In Person
Visit the Treasurer's office — 110 E Cherry Ave, Flagstaff AZ 86001, Mon-Fri 8am - 5pm
Other Counties in Arizona
About Coconino County
Coconino County is a county in the North-Central part of the U.S. state of Arizona. Its population was 145,101 at the 2020 census. The county seat is Flagstaff.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you a fortnight 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.