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Sussex County Property Tax Due Date

New Jersey

2026 Property Tax Due Dates

Installment 1

February 1

Q1 (quarterly billing)

Installment 2

August 1

Q3

Penalty: Interest accrues after grace periodGrace period: 10 days (until 10th of month)

Payment Methods

Online, Mail, In-Person

Sussex County Treasurer

How to Pay

Online

Pay using credit card or e-check

By Mail

Mail check payable to Sussex County Treasurer

In Person

Visit the Treasurer's office

About Sussex County

Sussex County is the northernmost county in the U.S. state of New Jersey. Its county seat is Newton. It is part of the New York metropolitan area and is part of New Jersey's Skylands Region.

Source: Wikipedia — content available under CC BY-SA 4.0

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Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.