Our Borough Tax Collector, Thomas M. Hespe  is located at:

Bowers Building
6 W. Main St.
Mendham, NJ 07945:

The Tax Collector  can be reached by email at



Deputy Tax Collector, Hours:

Monday &Wednesday 9:00am-4:30pm

Tuesday & Thursday 9:00am-1:00pm

Friday 12:30pm-4:30pm

Contact Information:
(973) 543-7152, ext. 10



 ONLINE TAX LOOK UP:            






Property Tax Relief for Seniors

Filing deadline for Senior Freeze is November 1, 2021. 

People who have already been in the program received their 2020 PTR-2 forms back in February. This form needs  to be certified by the Tax Collector.


People who wish to file for the first time, they can up the application 2020 PTR-1 at the Borough Tax Office (Bowers Building).  This form needs to be certified by the Tax Collector.