New Castle County, Delaware: parcel data and property records
203,800 New Castle County parcels on one searchable map: owner of record and mailing address and recorded sales, plus lot boundaries and location. Screen by absentee ownership, acreage, year built and owner tenure.
What the data covers
These bars show real field-by-field coverage for New Castle County in our database, so you know exactly what you are getting before you search. Numbers refresh as the county publishes new records.
Not held for New Castle County: assessed values, land or improvement value and vacancy. Those fields are carried where the county publishes them.
Most recent recorded sale on file: 2026-10-08.
Areas covered
Parcel counts by place, largest first: Wilmington (25,962), Middletown (10,051), Newark (7,209), Bear (6,347), Glasgow (5,996).
Recent sales
862 New Castle County parcels have a recorded sale dated since November 2025. Across 848 priced sales, with a deed recorded on several parcels counted once, the median price was $325,000 and the middle half sold between $225,000 and $450,000.
Nearest counties
- Kent County: about 32 mi away, 82,966 parcels
- Sussex County: about 60 mi away, 164,144 parcels
Search New Castle County parcels
The map is free to browse - parcel lines, boundaries, and location. Owner of record, recorded sales, year built and the full parcel report come with a plan that costs less than one hour of a title runner's time.
Explore the New Castle County map See plans
Common questions
How many parcels are in New Castle County, Delaware?
Parcelio carries 203,800 parcel records for New Castle County, Delaware, with owner information on 99 percent of them.
Can I find out who owns a property in New Castle County?
Yes. Search by owner name, address, or parcel number to pull the record: owner of record and mailing address, recorded sales, year built and lot lines on the map. Sale records here currently run through 2026-10-08.
How do I find vacant land or absentee owners in New Castle County?
We do not hold vacancy data for New Castle County yet, so this filter has nothing to match there. Vacancy filters work in the counties where we hold the field. New Castle County does have owner mailing state: 10,135 parcels have an owner mailing address outside Delaware.
Can I search New Castle County by lot size or acreage?
Yes. Acreage is on 100 percent of New Castle County parcels, mapped from the parcel boundary, and the advanced search filters on it directly - set a minimum and maximum to pull every tract in that range, then stack vacancy or absentee ownership on top.