The New Castle County treasurer and tax collector office is responsible for billing and collecting property taxes from all taxable parcels in the county and managing county funds in accordance with state law. There are 2 Treasurer Tax Collector locations in New Castle County, Delaware.

Property owners in New Castle County who have questions about their tax bill, want to apply for an exemption, or need to set up a payment plan for delinquent taxes should contact the county tax collector office using the information listed below.

List of New Castle County, Delaware Treasurer Tax Collector

New Castle County Treasurer & Tax Collector

View Details Call Now (302) 395-5520

New Castle County Treasurer & Tax Collector

Address
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Hours

Wilmington City Treasurer

View Details Call Now (302) 576-2480

Wilmington City Treasurer

Address
Get Direction
Hours

New Castle County property owners can often access tax bill history, parcel information, and payment status through the county's online tax portal — checking your account online before visiting the office can resolve many routine questions without a trip to the tax collector's office.

You may also find Treasurer Tax Collector locations in neighboring counties including New Castle.