[New Jersey Assessors]

Warren County, New Jersey - Assessor's Office

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

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

165 County Road 519The Warren County Assessor's Office is located in the Cummins Building in Belvidere, New Jersey. Belvidere is the county seat of Warren County, where most local government offices are located.

Warren County Assessor Contact Information

Additional Warren County Information

Warren 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 Warren County Tax Assessor may also serve as the Warren County Tax Appraiser.

  1. The Warren County Tax Assessor is responsible for setting property tax rates and collecting owed property tax on real estate located in Warren County.
  2. The Warren 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 Warren County Tax Collector is responsible for collecting property tax from property owners. They issue yearly tax bills to all property owners in Warren County, and work with the sheriff's office to foreclose on properties with delinquent taxes.

When contacting Warren County about your property taxes, make sure that you are contacting the correct office. You can call the Warren County Tax Assessor's Office for assistance at 908-475-6070. Remember to have your property's Tax ID Number or Parcel Number available when you call!

Please call the assessor's office in Belvidere before you send documents or if you need to schedule a meeting. If you have general questions, you can call the Warren County Administration Building at 908-475-6500.


Learn More

Find the tax assessor for a different New Jersey county

Find property records for Warren County

The median property tax in Warren County, New Jersey is $5,907.00


newjersey Property Tax Data All of the Warren County information on this page has been verified and checked for accuracy.
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