If You Decide to Proceed with an Appeal

The deadline for filing an appeal is April 1st, December 1st for added and omitted assessments and May 1st for revaluations or reassessments. You must provide credible evidence. Also, you must pay the collector all taxes in order to be granted a hearing.  You may obtain more information at

To file an Appeal, Contact:

County of Sussex Board of Taxation
83 Spring Street, Suite 301 Newton, NJ 07860
(973) 579 – 0970

Board of Taxation - Sussex County  

Deadline is April 1st and December 1st for added and omitted assessments
**Deadline for 2024 ONLY is May 1st. Revaluation year appeal deadline is May, 1st.**

County Tax Board Information

County Boards of Taxation

NOTE: If the aggregate assessed valuation of the property exceeds $1,000,000 the appeal may be made directly to the Tax Court of New Jersey

Tax Court of New Jersey

If you are not satisfied with the decision made at your County Tax Board of Taxation hearing, you can file an appeal with the Tax Court of New Jersey. File your appeal with Tax Court within 45 days of the date of the County Board of Taxations judgment. NOTE: If your property's assessment is more than $1 million, or if the added or omitted assessment aggregate assessed valuation exceeds $1,000,000, you may appeal directly with the Tax Court of New Jersey

Additional information:

NJ Division of Taxation - Local Property Tax (state.nj.us)

A Guide to Tax Appeal Hearings (state.nj.us)