New Jersey Property Tax Appeal Guide 2026
To appeal your property taxes in New Jersey, you file with your County Board of Taxation (Form A-1) by the deadline on your assessment notice (shown below). This guide covers how the appeal works, the assessment ratio, what evidence helps, and where to file. General information, not legal advice.
Deadline: April 1 (received, not postmarked); May 1 in revaluation towns; January 15 in Burlington, Gloucester, and Monmouth counties. Appeals to the Tax Court are due within 45 days of the County Board judgment.
Missing the deadline permanently waives your appeal for that year. Confirm the exact date on your own assessment notice before acting — it varies by county.
How to appeal your property taxes in New Jersey
You file with your County Board of Taxation (Form A-1), then the NJ Tax Court. Start by reviewing your assessment notice, gather evidence that your value is too high (recent comparable sales, an appraisal, or condition issues), and submit by the deadline above. Review the official process and forms here: New Jersey official filing information.
What is the New Jersey assessment ratio?
No fixed statutory ratio. New Jersey uses a Chapter 123 equalization system — each municipality has an annually-calculated average ratio, and an assessment is presumed correct if it falls within that ratio ±15% (the 'common level range').
New Jersey property tax at a glance
| Process | appeal |
|---|---|
| Deadline | April 1 (received, not postmarked); May 1 in revaluation towns; January 15 in Burlington, Gloucester, and Monmouth counties. Appeals to the Tax Court are due within 45 days of the County Board judgment. |
| You file with | your County Board of Taxation (Form A-1), then the NJ Tax Court |
| Median home value | about $548,000 |
| Median effective tax rate | about 1.9% (among the highest in the nation) |
What makes New Jersey different
New Jersey's effective property-tax rate is among the highest in the country, mostly because local property tax funds the schools. Because of the Chapter 123 'common level range', an appeal is judged relative to your neighbors' assessment ratio — not purely on absolute market value — so a home assessed within ±15% of the town average generally can't win even if the number feels high. The three alternate-calendar counties (Burlington, Gloucester, Monmouth) file by January 15, earlier than the April 1 statewide deadline.
Frequently asked questions
When is the New Jersey property tax appeal deadline?
April 1 for most towns (your appeal must be received, not just postmarked), May 1 in revaluation towns, and January 15 in Burlington, Gloucester, and Monmouth counties. Confirm your municipality's date — deadlines are strict.
What is the New Jersey assessment ratio?
New Jersey has no single statutory ratio. Each municipality has an annual average ratio under the Chapter 123 system, and your assessment is presumed correct if it sits within that ratio plus or minus 15%.
Where do I appeal property taxes in New Jersey?
File a Petition of Appeal (Form A-1) with your County Board of Taxation, or, for assessments over $1,000,000, directly with the New Jersey Tax Court. A County Board decision can be appealed to the Tax Court within 45 days.
Official sources
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Check your address →This page explains how property-tax appeals work in New Jersey in general. This is not legal advice and is not a substitute for a licensed property-tax consultant or attorney. Deadlines and procedures change — confirm the details with your county assessor or tax authority before acting. TrueOwn does not file appeals on your behalf.