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
Sierra County Treasurer
Phone
530-289-3698How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Sierra County Treasurer
In Person
Visit the Treasurer's office
Other Counties in California
About Sierra County
Sierra County is a county located in the U.S. state of California. As of the 2020 census, the population was 3,236, making it California's second-least populous county. The county seat is Downieville; the sole incorporated city is Loyalton.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you 14 days 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.