2026 Property Tax Due Dates
December 10
First installment
April 10
Second installment
Payment Methods
Online, Mail, In-Person
San Diego County Treasurer
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to San Diego County Treasurer
In Person
Visit the Treasurer's office — 1600 Pacific Hwy, Room 162, San Diego CA 92101, Mon-Fri 8am - 5pm
Other Counties in California
About San Diego County
San Diego County , officially the County of San Diego, is located in the southwest corner of the U.S. state of California, north to its border with Mexico. As of the 2020 census, the population was 3,298,634; it is the second-most populous county in California and the fifth-most populous in the United States. Its county seat is San Diego, the second-most populous city in California and the eighth-most populous in the United States.
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.