2026 Property Tax Due Dates
Installment 1
December 10
First installment
Installment 2
April 10
Second installment
Penalty: 10% + $10 feeGrace period: None
Payment Methods
Online, Mail, In-Person
Siskiyou County Treasurer
Phone
530-842-1638How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Siskiyou County Treasurer
In Person
Visit the Treasurer's office
Other Counties in California
About Siskiyou County
Siskiyou County ( SISK-yoo) is a county located in the northwestern portion of the U.S. state of California. As of the 2020 census, the population was 44,076. Its county seat is Yreka and its highest point is Mount Shasta.
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.