2026 Property Tax Due Dates
December 10
First installment
April 10
Second installment
Payment Methods
Online, Mail, In-Person
Lassen County Treasurer
Phone
408-102-2738How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Lassen County Treasurer
In Person
Visit the Treasurer's office
Other Counties in California
About Lassen County
Lassen County ( LASS-ən) is a county located in the northeastern portion of the U.S. state of California. As of the 2020 census, the population was 32,730, and was estimated to be 28,340 in 2024, Its county seat and the largest city is Susanville. Lassen County comprises the Susanville, California micropolitan statistical area.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
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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.