Road Construction Notice

Beginning on or about Monday, May 2, 2016, Mercer County DOT will be rehabilitating the stone arch of the Wargo Road Bridge located approximately ½ mile north of Titusmill Road.

This will require a full closure of Wargo Road on a 24/7 basis.

The work is anticipated to last approximately 90 days.

During construction, a detour will be posted directing motorists to use Pennington-Rocky Hill Road, Darrow Drive, Westcott Boulevard and Bradford Lane.


Road Construction Notice


Beginning on or about Thursday, April 28, 2016, Mercer County DOT will be milling and resurfacing Lambertville-Hopewell Road (CR 518) from Harbourton-Rocktown Road west to the County Line in Hopewell Township.
Mercer County anticipates this work to take approximately ten (10) working days to complete, weather permitting.
Work will be performed Monday through Friday between the hours of 9:00 AM to 3:00 PM.

During construction, eastbound traffic will be maintained.

During construction, westbound traffic on Lambertville Hopewell Road will be directed to turn right onto Harbourton-Rocktown Road, left onto Rock Road and left onto Harbourton-Mt. Airy Road back to Lambertville-Hopewell Road.




Ongoing Phone Scams

The Hopewell Township Police Department has received multiple calls from Hopewell Valley residents regarding a phone scam. Residents report that a person identifies himself as being with the U.S. Treasury and advises the resident that they have failed to respond to a magistrate or a grand jury notice. Some messages threaten arrest or fines.

Residents are urged not to give out any personal information if they actually speak with the caller. Residents are also urged not to call the phone number provided if a message was left for them asking for a return call.

You may report an incident to the IRS at 1-800-366-4484 or send an email to (Subject: “IRS Phone Scam”) describing the phone call you received.

If you are unsure if the phone call you received is a scam, you may contact the Hopewell Township Police Department at 609-737-3100 ext. 0 and ask to speak with a police officer.



























 Please continue check this advisory banner for further updates.    Refresh/reload the page periodically to ensure you are seeing the latest information.

Contact Us

Deborah Fox, Tax Assessor
Located in the Public Works Building
Phone: (609) 737-0607 ext. 622, 648, 624
Fax (609) 737-2813

Please Contact the Collector for questions regarding tax bills and taxes paid.

Property Tax Assessment in New Jersey
How Property is Valued for Property Tax Purposes Brochure PDF

NJ has an ad valorem based tax system which means that property tax assessment is based on the market value of your property. 

NJ Property Tax Records Click Here Free registration is required, after which you can use the Mod IV tab to review your information.

Property Tax Deductions Available to Residents
(Click Here)

  • Senior/Disabled Tax Deduction
  • Veteran Tax Deduction
  • Totally and Permanently Disabled Veteran Tax Exemption

Applications for Senior and Veteran deductions are available in the Assessor’s Office.  Totally disabled veterans, if qualified, are entitled to real property tax exemptions.  Forms are also available in the Collector’s office.          

Property Tax Appeals


Petitions to either the County Board of Taxation or directly to the State Tax Court must be filed and received on or before April 1, 2016.

ALL Taxpayers in Mercer County have the right to file tax appeals with the County Board of Taxation, regardless of the amount of their assessment. Those properties with assessments greater than $1,000,000.00 have the option of appealing either with the County Board of Taxation or filing directly to the State Tax Court of New Jersey.

What to Remember When Filing an Appeal:

  • Property owners have the right to file an appeal each year
  • You must prove that you would not be able to sell your house for its current assessed value by providing comparable sales
  • Comparable sales are sales of similar homes that were listed on the open market, have sold within the appropriate time period and are not subject to any extenuating circumstances like duress, a sale between family members, estate sales etc.
  • You cannot compare assessments as a basis for appeal

Any questions regarding tax appeals should be directed to the Mercer County Board of Taxation at (609) 989-6704.

Farmland Assessment Applications
Farm Application Checklist

Reminder to all farmland assessed properties in Hopewell Township – Farmland applications for 2017 are due in the Assessor’s Office on or before August 1, 2016.The office will mail the applications in June.  The Assessor’s Office is located in the Public Works Building at 203 Washington Crossing Pennington Rd.  If the farmland applications are not received in a timely manner, the properties will be denied farmland assessment for 2017.

Changes to Farmland Assessment
Click here for the list of Changes
The following are key changes under Farmland Assessment:

  • Income: $500 Gross Sales Criterion for the first 5 acres is increased to $1,000, except for lands under a Woodland Management Plan, which remain at $500 for the first 5 acres.
  • 2016 Revised Gross Sales Form: Income will be indicated on this form. Click Here to view a sample.
  • 2016 Revised Woodland Data Form: The Woodland Data Form has been revised. When filing your Wood Farm Application, please be sure to use this updated form. You may obtain a copy of this form below.
  • Descriptive Narrative: Properties where a farm’s acreage is less than 7 acres must include a descriptive narrative of the agricultural/horticultural uses, a sketch of their location and a number of acres devoted is required to be submitted with the application

Questions? Please Email your farmland assessment questions.

Forms Online

Request for Certified List $10 Fee for Certified List
Request for Information OPRA Request Form
FA-1 Farmland Assessment Form Deadline August 1st
GS-FA1 Gross Sales Form Income form to be Filed with FA-1 Deadline August 1st
Supplement Farm Assessment Form To be Filed with the FA-1 Deadline August 1st
WD-1 Woodland Data Form Revised form for Woodland Management Properties to file with FA-1 Deadline August 1st


TextMenu | Privacy Statement | Register for E-mail Notifications | Contact Us
201 Washington Crossing - Pennington Road  •  Titusville, NJ 08560  •  (609) 737-0605