City of Wilmington, Delaware Tax Assessors' Office
City of Wilmington Department of Finance 800 North French Street
Wilmington, Delaware 19801
Where is the City of Wilmington Tax Assessor's Office?
City of Wilmington is a locality in New Castle County, Delaware. Unlike many other areas where property taxes are collected on a county level, City of Wilmington has its own tax assessor's office.
What can the City of Wilmington Assessor's Office do for me?
The City of Wilmington Tax Assessor's Office oversees the appraisal and assessment of properties as well as the billing and collection of property taxes for all taxable real estate located in City of Wilmington.
Contact the assessor's office if you need help with paying your property taxes, applying for a homestead exemption or other tax exemption, reporting upgrades to your home, appealing your property tax assessment, or verifying your property records.
Submitting a City of Wilmington property tax appeal
If you believe that your house has been unfairly overappraised (i.e. appraised at a value higher than the true market value of the property), you can attempt to get your home re-appraised at a lower value by contacting the Assessor's Office to submit a property tax appeal.
You will have to submit a form describing your property and sufficient proof that it is overassessed, including valuations of similar homes nearby as evidence. If your appeal is accepted, your home assessment (and property taxes) will be lowered as a result.
If you would like to appeal your property, call the City of Wilmington Assessor's Office at (302) 576 2400 and ask for a property tax appeal form. Keep in mind that property tax appeals are generally only accepted in a 1-3 month window each year.
For more information and example appeals, see how to appeal your property taxes.
Useful City of Wilmington Facts:
The median home value in City of Wilmington is between $250,496.00 and $255,104.00. Property tax rates are based on property values.
How can I contact New Castle County?
You can try contacting the New Castle County local government directly with any issues the Assessor's Office can't solve. In many counties, certain property records such as deeds are kept in the county courthouse or county archives instead of at the tax assessors' office.
The county seat for New Castle County is located in the Louis L. Redding City/County Building in Wilmington, which is where the City of Wilmington Assessors' Office is also located. You can direct your general inquiries to New Castle County with the contact info listed below.
New Castle County Phone Number
New Castle County Fax Number
New Castle County Louis L. Redding City/County Building Address
Louis L. Redding City/County Building
800 North French Street
Wilmington, DE 19801-3590
Useful New Castle County Links:
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City of Wilmington Search by Parcel ID, address, or owner name
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City of Wilmington Assessors' Office Homepage
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Property Tax Search Tool
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City of Wilmington Government Homepage
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City of Wilmington - Property Tax Search