Image result for tax property  icon
The 3rd quarter Estimated Tax Bills were mailed on June 21, 2024.
Payment is due August 1, 2024. The grace period ends on Monday, August 12, 2024. 
Any payments received after Aug. 12th are subject to interest penalty.
Final 2024/Preliminary 2025 bills will be mailed by Septermebr 30, 2024.
Please click here to lookup amount due and to pay online.
The Tax Collector's office hours will be adjused on the following days:
I will be out of the office on Friday July 5th. 
Tax Collector Office
1st Floor
Bowers Building
6 W. Main St.
Mendham, NJ 07945
Liz Holtz, Borough Tax Collector, CTC
Tax Questions?
973-543-7152 *17
Office Hours
Friday 8:30-3:30pm
Tuesday afternoon by appointment
Billing Quarter
Months Covered
Due Date
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.
    • Bowers Building-1st Floor
      • Friday Only
      • 8:30am-3:30pm
    • Phoenix House-1st Floor
      • Monday through Friday
      • 9:00am-4:30pm
      • Borough Clerk's Office


  • Seniors already in the Senior Freeze Program
    • Filing deadline for PTR-2 Form is October 31, 2024.
    • Your PTR-2 Form needs to be certified by the Tax Collector.
    • Seniors who are already in the program should have received their 2021 PTR-2 forms in February 2024.
    • Instruction PTR-2 Form
  • Seniors Filing for the First Time
  • Homeowner
    • You are considered a homeowner if, on October 1, 2019, you:
      • Owned a house.
      • Owned a condominium and paid property taxes on your unit. 
      • Were a resident shareholder of a cooperative housing complex.
      • Were a resident of a continuing care retirement community and your continuing care contract requires you to pay the proportionate share of property taxes attributable to your unit.
    • You do not qualify if your residence was completely exempt from paying property taxes or you made PILOT (Payments-in-Lieu-of-Tax) payments.
  • Tenants
    • Tenants who had previously been ineligible because their units are under PILOT (Payment in Lieu of Taxes) agreements are now eligible to apply for the benefit.
      • You are considered a tenant if, on October 1, 2019, you:
        • Rented an apartment, condominium, or house.
        • Rented or owned a mobile home located in a mobile home park.
      • You do not qualify if you lived in tax-exempt, subsidized, or campus housing.
  • A​​​​pplication Deadline
    • The deadline for filing your ANCHOR benefit application was December 29, 2023. 
  • Income Eligibility Requirements and Tax Relief Amount
    • Homeowners with incomes of $150,000 or less will receive $1,500.
    • Homeowners with incomes more than $150,000 and up to $250,000 will receive $1,000.
    • Renters with incomes of $150,000 or less will receive $450.
  •  How Eligilble Homowners and Renters can Apply
    • By Phone 1-877-658-2972   
      • Eligible renters no phone option.
    • Upload or mail a paper application and necessary attachments using the program's Electronic Filing System.
Attention Sewer Utility Customers - Please use the links provided below for utility assistance:

Low Income Household Water Assistance Program

The State’s Low Income Household Water Assistance Program (LIHWAP) can help you pay arrears for your water and sewer bills. The program can help you to avoid service disruptions, restore services, stay up-to-date with your payments, and pay reconnections fees. To get more information and apply, go to or call NJ211.