New Castle County Treasurer
New Castle County Treasury administers property-tax billing, payment information, and tax forms.
Located in New Castle County, Delaware
Contact Information
- Office Name:
- New Castle County Treasurer
- Phone:
- (302) 395-5340
- Official Website:
- Visit WebsiteOfficial source verified
- County FIPS:
- 10003
- Data Available Online:
- Yes
- Last verified:
- 2026-07-13
Searching New Castle County Treasurer Records
Data available
Use New Castle County's tax-information and online-payment pages to open Parcel View, review property tax and payment history, and submit tax, sewer, or maintenance-corporation payments; include the parcel number or invoice stub when paying.
Additional Information
New Castle County Treasury and Finance administer county property-tax and school-tax billing, payment options, tax forms, and exemptions. The County's online services connect residents to Parcel View, Paymentus, payment kiosks, and secure drop boxes. Treasury lists its current billing and tax-information line as 302-395-5340.
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