New Castle DE
162 active listings out of 20K total properties we track across 7 New Castle ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
While you're here, take in the bigger picture — maps below show Delaware (statewide), not just New Castle. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 162 currently-active listings in New Castle, DE. Full dataset covers 20K properties — listings, off-market homes, rentals, and full history.
ZIP codes in New Castle
Drill into any ZIP for hex-level breakdowns.
Nearby cities
Other Delaware cities within driving distance.
Get New Castle, DE data in your app
GET https://api.straply.com/v1/markets/city/new-castle-de
Authorization: Bearer $STRAPLY_KEY {
"city": "new-castle-de",
"total_tracked": 19566,
"active": 162,
"median_list": 350000
} New Castle, DE real estate: market summary
As of April 2026, Straply tracks 19,566 homes in New Castle, DE, with 162 active for sale at a median list price of $350,000 (~$214/sq ft). Notably, home prices are climbing — the median sale price is up 14% year over year.
- Median list price
- $350,000
- Median $/sq ft
- $214
- Active listings
- 162
- Median sale price
- $310,000 (+14% YoY)
- Properties tracked
- 19,566
Frequently asked: New Castle, DE real estate
What is the median home price in New Castle?
The median list price in New Castle, DE is $350,000 (about $214 per square foot), based on 162 active listings tracked by Straply as of April 2026.
What price range are homes in New Castle?
Active listings in New Castle, DE concentrate in: 54% $300k–$500k and 32% under $300k.
Are home prices in New Castle going up or down?
The median sale price is $310,000, up 14% year over year. Straply tracked 619 sales here over the past 12 months.
How many homes are for sale in New Castle?
Straply is tracking 162 active listings in New Castle, DE out of 19,566 properties on record as of April 2026.
How old are the homes in New Castle?
Most homes in New Castle, DE were built in the 1950s. About 36% were built after 1980, while 6% predate 1940. The newest tracked home dates to 2026.
What types of homes are in New Castle?
New Castle, DE is mostly single-family homes (80% of listings). Also common: townhouses 16%.
How many bedrooms do homes in New Castle typically have?
The most common size in New Castle, DE is 3 bd.
What areas are near New Castle?
Nearby markets Straply also tracks include Wilmington, Delaware City, Newark, Bear.
Data as of April 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.