Image result for tax property icon
 
 
 
Starting Thursday, January 23, 2025 the Tax Collector will be in the office
on Thursdays from 8:30a-3:30p instead of Fridays.
You may also email the Collector at borotax@mendhamnj.org
 
 
Final 2024/Preliminary 2025 bills were mailed Sept 20, 2024.
Click HERE  to pay or lookup amounts due online. Digital copies of bills are also available online.
 
1st quarter taxes are due February 1, 2025 and the grace period for the
1st quarter is until February 10 , 2025.
Payments received after 2/10/25 are subject to an interest penalty fee. 
 
 
 
Tax Collector Office
1st Floor
Bowers Building
6 W. Main St.
Mendham, NJ 07945
Liz Holtz, Borough Tax Collector, CTC
973-543-7152 *17
Office Hours
Thursday 8:30-3:30pm
Tuesday afternoon by appointment
 
 
 
 
 
 
 

 

PROPERTY TAX DUE DATES
Billing Quarter
Months Covered
Due Date
Deadline 
1st Quarter January - March 1-Feb 10-Feb
2nd Quarter April - June 1-May 10-May
3rd Quarter July - September 1-Aug 10-Aug
4th Quarter October - December 1-Nov 10-Nov
If the 10th falls on a weekend or a Borough holiday, the grace period is extended to the Borough’s next business day.