[Delaware Assessors]
Property Taxes By State > Delaware > New Castle County Property Tax > City of Wilmington Tax Assessor

City of Wilmington, Delaware - Assessor's Office

The City of Wilmington Assessor is responsible for appraising real estate and assessing a property tax on properties located in City of Wilmington, Delaware. You can contact the City of Wilmington Assessor for:

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

800 North French StreetThe City of Wilmington Assessor's Office is located in Wilmington, New Castle County, Delaware. Wilmington is the county seat of City of Wilmington, where most local government offices are located. The assessor's office is located in the same building as the Louis L. Redding City/city Of Wilmington Building, at 800 North French Street.

City of Wilmington Assessor Contact Information

City of Wilmington 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 City of Wilmington Tax Assessor may also serve as the City of Wilmington Tax Appraiser.

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

When contacting City of Wilmington about your property taxes, make sure that you are contacting the correct office. You can call the City of Wilmington Tax Assessor's Office for assistance at 302-576-2400. Remember to have your property's Tax ID Number or Parcel Number available when you call!

Please call the assessor's office in Wilmington before you send documents or if you need to schedule a meeting. If you have general questions, you can call the Louis L. Redding City/city Of Wilmington Building at 302-395-8383.


Learn More

Find the tax assessor for a different Delaware county

Find property records for New Castle County

The median property tax in New Castle County, Delaware is $1,385.00


delaware Property Tax Data All of the City of Wilmington 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.