2026 Property Tax Due Dates
Installment 1
Varies by locality
First installment
Installment 2
Varies by locality
Second installment
Penalty: Interest after grace periodGrace period: 15 days for NYC quarterly
Payment Methods
Online, Mail, In-Person
Onondaga County Treasurer
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Onondaga County Treasurer
In Person
Visit the Treasurer's office — 421 Montgomery St, 15th Floor, Syracuse NY 13202, Mon-Fri 8:30am - 4:30pm
Other Counties in New York
About Onondaga County
Onondaga County ( ON-ən-DAH-gə) is a county in the U.S. state of New York. As of the 2020 census, the population was 476,516. The county seat is Syracuse.
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.