2026 Property Tax Due Dates
February 28
First half (or full by April 30)
June 15
Second half
Payment Methods
Online, Mail, In-Person
Arapahoe County Treasurer
Treasurer
Michael Westerberg
Phone
(303) 795-4550Fax
(303) 347-2597
Mailing Address
PO Box 571, Littleton, CO 80160
Office Hours
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Arapahoe County Treasurer — PO Box 571, Littleton, CO 80160
In Person
Visit the Treasurer's office — 5334 S Prince St, Littleton CO 80120, Mon-Fri 8am - 4:30pm
Other Counties in Colorado
About Arapahoe County
Arapahoe County ( ə-RAP-ə-hoh) is a county located in the U.S. state of Colorado. As of the 2020 census, its population was 655,070, making it the third-most populous county in Colorado. The county seat is Littleton, and the most populous city is Aurora.
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.