An index of U.S. property records, county by county

Delaware · FIPS 10003

New Castle County property records

The New Castle County file lists 215,539 properties as of the October 2026 edition, with columns for the owner, mailing address, estimated value, open loans and tax bill. Subscribe to this county alone, or as one of 5 in a bundle.

Property records
215,539
Rank in Delaware
1st of 3
Share of state records
45%
Data as of
Oct 2026
FIPS code
10003

What the New Castle County file includes

215,539 rows, one per property, delivered as a CSV with these columns.

The parcel

  • Situs address and ZIP
  • Assessor parcel number (APN)
  • County FIPS code
  • Land use and property type
  • Bedrooms, bathrooms, units
  • Building and lot square feet
  • Year built

The owner

  • Owner name and second owner
  • Mailing street, city, state, ZIP
  • Owner-occupied or absentee
  • Corporate owner flag
  • Years owned and purchase date

The money

  • Estimated value and equity
  • Equity percent and loan-to-value
  • Open liens and balance
  • First lender and loan amount
  • Assessed and market totals
  • Tax amount and tax year
  • Last sale date and price

The signals

  • High equity
  • Free and clear
  • Pre-foreclosure
  • Tax delinquent
  • Vacant

Phone numbers and emails aren’t part of county files. Add them with skip tracing on Acquired Data.

New Castle County, DE: questions and figures

How many property records are there for New Castle County, Delaware?
The October 2026 edition lists 215,539 properties in New Castle County, one row each.
How does New Castle County compare with other Delaware counties?
It ranks 1st of 3 Delaware counties by record count and accounts for about 45% of the state's 475K records.
What does the New Castle County file cost?
$19 a month on its own, or bundle it with four other counties for $49 a month. Prices are launch proposals and are confirmed at checkout.
What is the FIPS code for New Castle County, Delaware?
10003. Every row in the file carries it, which makes the data easy to join with census and other government datasets.
How current is the New Castle County data?
This page reflects the October 2026 edition. The national dataset is refreshed monthly and subscribers get each new edition of the county file.

Check one address first

Search a street address in New Castle County with its city or ZIP. Building details are open to all; a free account adds the owner and financial columns.

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