2026 Property Tax Due Dates
November 15
Full (3% discount) or first third
May 15
Third installment
Payment Methods
Online, Mail, In-Person
Clackamas County Treasurer
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Clackamas County Treasurer
In Person
Visit the Treasurer's office — 2051 Kaen Road, Oregon City OR 97045, Mon-Thu 7am - 5pm
About Clackamas County
Clackamas County ( CLAK-ə-məss) is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 421,401, making it Oregon's third-most populous county. Its county seat is Oregon City.
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.