[New Jersey Assessors]

Middlesex County, New Jersey - Assessor's Office

The Middlesex County Assessor is responsible for appraising real estate and assessing a property tax on properties located in Middlesex County, New Jersey. You can contact the Middlesex County Assessor for:

  • Information on your property's tax assessment
  • Checking the Middlesex County property tax due date
  • Your property tax bill
  • Reporting upgrades or improvements
  • Paying your property tax
  • Appealing your property tax appraisal

PO Box 871The Middlesex County Assessor's Office is located in New Brunswick, New Jersey. New Brunswick is the county seat of Middlesex County, where most local government offices are located.

Middlesex County Assessor Contact Information

Additional Middlesex County Information

Middlesex County Assessor's Office Services

There are three major roles involved in administering property taxes - Tax Assessor, Property Appraiser, and Tax Collector. Note that in some counties, one or more of these roles may be held by the same individual or office. For example, the Middlesex County Tax Assessor may also serve as the Middlesex County Tax Appraiser.

  1. The Middlesex County Tax Assessor is responsible for setting property tax rates and collecting owed property tax on real estate located in Middlesex County.
  2. The Middlesex County Property Appraiser is responsible for determining the taxable value of each piece of real estate, which the Tax Assessor will use to determine the owed property tax.
  3. The Middlesex County Tax Collector is responsible for collecting property tax from property owners. They issue yearly tax bills to all property owners in Middlesex County, and work with the sheriff's office to foreclose on properties with delinquent taxes.

When contacting Middlesex County about your property taxes, make sure that you are contacting the correct office. You can call the Middlesex County Tax Assessor's Office for assistance at 732-745-3350. Remember to have your property's Tax ID Number or Parcel Number available when you call!

Please call the assessor's office in New Brunswick before you send documents or if you need to schedule a meeting. If you have general questions, you can call the Middlesex County Administration Building at 732-745-3080.


Learn More

Find the tax assessor for a different New Jersey county

Find property records for Middlesex County

The median property tax in Middlesex County, New Jersey is $6,258.00


newjersey Property Tax Data All of the Middlesex County information on this page has been verified and checked for accuracy.
If any of the links or phone numbers provided no longer work, please let us know and we will update this page.