Tax/Sewer Collection/Assessment

About the Department

Tax/Sewer Collector Office hours: Monday, Tuesday, Thursday, Friday from 8:30am to 4:00pm, and  Wednesdays from 1:00pm to 7:30pm.

Primary functions of the tax/sewer collector’s office:

  • Prepare tax and sewer bills.
  • Maintains an accounting of all tax and sewer collections and enforces the collection of delinquent municipal charges through foreclosure of municipal tax liens and municipal tax sales.
  • Collect all monies to be raised by taxation.
  • Collect all monies due to sewer utility.
  • Account for all receipts on any given day.
  • Deposit all monies into an authorized depository to credit the appropriate account within 48 hours of receipt/payment.
  • Prepare and furnish a detailed and true list of all delinquent taxpayers. as required by the governing body or NJSA 54:4.

Tax Assessor Office Hours:  Wednesday:  9:00 am to 4:00 pm and Friday: 10:00 am to 7:00 pm

Primary functions of the tax assessor’s office:

  • The assessor’s responsibilities are governed by state law and monitored by the State Division of Taxation, the County Tax Board, and the County Tax Administrator.
  • Value all property in the municipality for tax purposes.
  • House legal documents concerning all real estate properties in the municipality.
  • Qualify and process all tax deductions and tax exemptions that are offered by the state to residents as well as tax exempt organizations.
  • Inspect and evaluate all farmland properties.
  • Keep the tax and sewer billing records updated so the bills are routed to the proper destination.
  • Keep the tax maps updated, adding subdivisions, lot line adjustments, new easements or other changes to the boundaries of the properties in the township.
  • The assessor defends tax appeals to the County Tax Board and the State Tax Court.
  • All new construction is inspected and valued for tax purposes, generating added assessment bills and increasing the total ratable value of the township.
  • Assist mortgage companies, appraisers and attorneys with closing information, escrow allowances and real estate market data.
  • Help other municipal departments with ownership information and property data.
  • Process all 200-foot requests.

Forms & Resources

Frequently Asked Questions

When are tax bills mailed?

Tax bills are mailed out once a year late June or early July. New bills are not mailed when there is a change in ownership, you must contact the tax office and request a bill.

When are tax payments due?

Property taxes are billed in Lopatcong on a calendar year, January 1st to December 31st. The first Quarter covers Jan.-March second April-June third July-Sept. and the forth Oct-Dec. Payments are due in the middle of each quarter or February 1st, May 1st, August 1st, November 1st (there is a 10 day grace period, on the 11th day interest is calculated back to the 1st. If the 10th falls on a weekend or legal holiday, you have until the next working day to make payment. We cannot accept postmarks. Failure to receive a tax bill does not exempt you from paying taxes or the interest due on delinquent taxes.

How can I pay my taxes? 

Tax payments may be made with check, cash, money order and credit card (Visa & MasterCard). A convenience fee of 3% will be charged by your credit card company. Credit card payments can be made at the tax office or by phone.

Do not mail credit card information to us.

Mail payments to:

Tax Collector
Township of Lopatcong
232 South Third Street
Phillipsburg, NJ 08865

For your after hours convenience, we have provided a drop box in front of the Municipal Building between the parking lot and South Third Street.

How can I obtain information on the Tax Sale Process?

Fax your request to (908)859-1839

How do I go about filing an appeal?

All appeal questions should be directed to the Assessor Office (908)859-3355×226.

What if I have a lien on my property and want to pay it off?

You must FAX or EMAIL a Redemption request with the date the payment will be received in the Tax Office. You may receive two Redemption Calculations per Lien per calandar year at no charge, additional Calculation requests will require a $50 fee for processing.

All Lien Redemptions must be paid by Certified check, Cash or Money order.

FAX (908)859-1839

What if I want to change my mailing address?

A change of address form must be filled out and mailed to the Tax Collector or Tax Assessors Office. The change of address form is available on website.

When will I be billed for any improvements done to my property?

You will be sent a letter from the Assessor after the improvement has been issued a Certificate of Occupancy. The letter will advise you of the additional assessed value due and what year(s) are involved. The new assessment will cause additional bill(s) to be issued. The bill called an added assessment bill will be sent out in October and due November 1st (4th qtr) of the current year and February 1st and May 1st. of the following year. The added bill must be combined together with your original tax bill that was received in June. When the new bills are generated the following June, all taxes will be combined into one bill.

How do I change the name on my deed?

A deed is an official document, recorded at the county level and a new deed has to be recorded to add or delete anyone from the official record of ownership. We recommend that you seek legal assistance from an attorney or title company specializing in property transactions. If you are listed as a Joint Tenant no change is required but is recommended and one needs to bring an original certified copy of the death certificate to the Tax Assessor.