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
Mariposa County Treasurer
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Mariposa County Treasurer
In Person
Visit the Treasurer's office
Other Counties in California
About Mariposa County
Mariposa County is a county in the U.S. state of California. As of the 2020 U.S. census, the population was 17,131. The county seat is Mariposa.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you 2 weeks 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.