New Providence, NJ

Quarterly: Feb 1, May 1, Aug 1, Nov 1. Grace period: 10 days. Next due Feb 1, 2027; last day without interest: 2027-02-10 (Feb 10, 2027 is a Wednesday). After the grace period, interest is retroactive to the original due date (statutory cap 8% on first $1,500 of delinquency, 18% above).

Deadline. Appeals to the county board of taxation must be received on or before April 1, or 45 days after the bulk mailing of the assessment notices is completed in the town, whichever is later. In a town that implemented a municipal-wide revaluation or reassessment, the deadline is May 1. A deadline on a weekend or legal holiday moves to the next business day.

Next regular deadline: Apr 1, 2027. Properties assessed over $1,000,000 may file directly with the NJ Tax Court by the same deadline.

File with the Union County Board of Taxation. Website · 300 North Avenue East, Westfield, NJ 07090 · (908) 527-4775

Online: deadline 11:59:59 PM on the deadline date. Convenience fee $5, $5.00 in addition to the filing fee. 2027 window opens Feb 17, 2027 (start date subject to change, per county filing schedule).

Paper: Deadline time: Must be physically in the board office by close of business (4 PM) on the deadline date; postmarks are not accepted. Payment: Exact-change cash, check or money order payable to the Union County Tax Administrator. Form: Petition of Appeal Form A-1. Filer must serve copies on the town assessor and town clerk (online filing serves them automatically).

Filing fee by assessed value: under $150,000: $5; $150,000 to under $500,000: $25; $500,000 to under $1,000,000: $100; $1,000,000 or more: $150; classification appeal: $25. Payable to the County Tax Administrator; not refundable. Fee by assessed value. Properties assessed over $1,000,000 may file directly with the NJ Tax Court.

Taxes and municipal charges must be paid through Q1 of the current year or the appeal can be dismissed (N.J.S.A. 54:3-27).