Q. When are taxes due and when will I receive my bill?

A. Taxes are due quarterly, February 1st, May 1st, August 1st and November 1st. Bill are mailed annually in July. The annual bill included four payment stubs for the 3rd and 4th quarters of the current year, and 1st and 2nd quarters of the subsequent year.

Q. How are my taxes calculated?

A. The tax calculation is developed by multiplying the assessed value of the property by the current tax rate. (2021 $2.342 per 100)


Q. Where should tax payments be sent and what payment methods are accepted?

A. Payments by check can be made by mail, in the office, drop-box or at the drive-up window. Checks should be made payable to Mendham Borough.  To pay in cash, please visit the office. When the office is closed, payments can be left in the drop box on the right side of the building or the mailbox attached to the front door of the Bowers Building. To avoid payment errors, please submit the stub for the current quarter with your payment. Generally your cancelled check is your receipt. If you wish a stamped receipt, you may forward the entire tax bill with a SAS envelope. The top half of the bill will be receipted and returned to you. The Tax Office and drive-up window are located in the Bowers Building, 6 West Main. Address mail to Mendham Borough Tax Collector, 6 West Main Street, Mendham, NJ 07945. Please note . . . State Statutes do not allow us to accept postmarks as date of receipt of payment.

Q. How can I get a copy of my tax bill?

A. To receive a duplicate bill just send a note or email requesting a duplicate bill and authorizing us to mail future bills and notices to you. Remember to include your mailing address. Emails can be sent to borotax@mendhamnj.org

Q. When is interest charged?

A. There is a ten-day interest free grace period. Interest is charged on the 11th day of the month in which payments are due, and is calculated from the due date to the payment date. The payment date is the date that the payment is received in the office, not the postmark date.

Q. When are delinquencies placed on the tax sale list and published in the paper?

A. All properties with a tax or sewer delinquency from the prior year are required by state statute to be placed on the tax sale list. For example, all delinquencies from 2017 will be placed on the tax sale list that is compiled in Fall of 2018.

Q. How do tax delinquencies affect the tax rate?

A. The total prior year delinquency is a factor in calculating the current year's tax rate therefore it's significant for taxes to be paid up-to-date prior to the end of the year.

Q. Who determines the tax rate and how?

A. The tax rate is determined by the Morris County Board of Taxation upon the approval of municipal, school and county annual budgets.