New Castle County, Delaware property search
Search an address or an owner in New Castle County, Delaware with the box at the top of the map, or tap a lot, for its owner, lines and acreage. 203,809 lots are mapped here, covering 250,213 acres. 33,112 of them are held by institutions rather than by individuals.
Farmers and landowners in New Castle County received $1.8 million in federal farm program payments in 2025, paid to 73 recipients. 4,371 acres of agricultural land here are disclosed as foreign-held, the most by owners from Netherlands. Crop insurance paid $812,000 in claims for the 2024 crop year.
- 203,809
- Lots mapped
- 250,213
- Acres
- 33,112
- Institutional
Largest landowners in New Castle County
Largest landowners by acreage in New Castle County, Delaware| Owner | Parcels | Acres |
|---|
| STATE OF DELAWARE | 793 | 25,473 |
|---|
| DELAWARE WILD LANDS INC | 27 | 5,962 |
|---|
| NEW CASTLE COUNTY | 514 | 5,898 |
|---|
| DELAWARE CITY REFINING COMPANY LLC | 22 | 3,838 |
|---|
| CITY OF WILMINGTON | 204 | 1,264 |
|---|
| PARKWAY GRAVEL INC | 76 | 1,224 |
|---|
| NEW CASTLE COUNTY-FOR USE OF | 49 | 1,115 |
|---|
| MT CUBA CENTER INC | 40 | 1,093 |
|---|
| UNIVERSITY OF DELAWARE | 189 | 1,081 |
|---|
| APPOQUINIMINK SCHOOL DISTRICT | 18 | 892 |
|---|
Companies, trusts and public agencies, ranked by acres held under the name on the assessor's file. Private individuals are not ranked. Largest landowners in Delaware
Federal farm payments in New Castle County
- $1.8M
- Paid in 2025
- 73
- Recipients
Federal farm program payments by program in New Castle County, Delaware, 2025| Program | Paid |
|---|
| Emergency Commodity Assistance Program | $1.1M |
|---|
| Marketing Assistance for Specialty Crops | $462K |
|---|
| Supplemental Disaster Relief Non-Spec Crops | $239K |
|---|
| Agricultural Risk Coverage Program - County | $14K |
|---|
| CRP Payment - Annual Rental | $10K |
|---|
USDA Farm Service Agency payment files, 2025. Compare farm subsidies by county
Foreign-held farmland in New Castle County
- 4,371
- Acres disclosed
- 6
- Holdings
Foreign-held agricultural land by country in New Castle County, Delaware, 2024| Country | Acres |
|---|
| Netherlands | 3,797 |
|---|
| Switzerland | 316 |
|---|
| No predominant country code | 190 |
|---|
| Germany | 42 |
|---|
| United Kingdom | 26 |
|---|
Largest disclosed holders
Largest foreign holders of agricultural land in New Castle County, Delaware| Holder (country) | Acres |
|---|
| MOTIVA ENTERPRISES LLC (NETHERLANDS) | 3,628 |
|---|
| STA Pharmaceutical USA, Co (999 - NO PREDOMINANT COUNTRY CODE) | 190 |
|---|
| SHELL OIL CO. (NETHERLANDS) | 169 |
|---|
| ZENECA, INC. (UNITED KINGDOM) | 26 |
|---|
USDA Agricultural Foreign Investment Disclosure Act filings, holdings at the end of 2024. Only disclosed interests are counted. See foreign-owned farmland by county
Crop insurance in New Castle County
- 156
- Policies
- 37,044
- Insured acres
- $812K
- Claims paid
- 0.56
- Loss ratio
Crop insurance claims by crop in New Castle County, Delaware, 2024| Crop | Claims |
|---|
| Soybeans | $545K |
|---|
| Wheat | $156K |
|---|
| Corn | $102K |
|---|
| Barley | $8K |
|---|
| All Other Crops | $1K |
|---|
USDA Risk Management Agency Summary of Business, 2024 crop year.
Conservation and the power grid
- 75
- CRP acres, 2025
- 62
- Substations
- 2
- 345 kV and up
- 500 kV
- Highest voltage
Conservation Reserve Program acres under contract (USDA FSA). Substations in service, from a public copy of the federal HIFLD layer.
Find out who owns a property in New Castle County by address, free, or work out a lot's acreage.
This copy of New Castle County's records was taken on August 12, 2026. Assessment records, not a survey.