Real Estate Data API

19720 New Castle

329 active listings out of 20K total properties we track in ZIP 19720 (New Castle, DE) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
329
Median
$335K
-8.0%
Sold Sep
58
-17.1%
Tracked
20K

Download New Castle 19720 property data

20,292 property records for ZIP 19720 — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.

Download free · as of Oct 2026

Monthly snapshot · 1.5 MB Parquet · CSV (3.6 MB)

Records keep changing after a snapshot is compiled.

Download today's build · subscribers

Rebuilt every day · same columns, same file layout

Zoomed out

While you're here, take in the bigger picture — maps below show Delaware (statewide), not just 19720. Same company, same dataset, different resolution.

Get this data →
Key Numbers
Tracked
20K
Active
329
Median list
$335K
Sales (12mo)
574
Get this data →
Key Numbers
Tracked
20K
Active
329
Median list
$335K
Sales (12mo)
574
Get this data →
Key Numbers
Tracked
20K
Active
329
Median list
$335K
Sales (12mo)
574
Get this data →
Key Numbers
Tracked
20K
Active
329
Median list
$335K
Sales (12mo)
574
Get this data →
Key Numbers
Tracked
20K
Active
329
Median list
$335K
Sales (12mo)
574

Inventory breakdown

Distribution of the 329 currently-active listings in ZIP 19720. Full dataset covers 20K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 131 (41.1%)
$300K–$500K 159 (49.8%)
$500K–$750K 19 (6%)
$750K–$1M 6 (1.9%)
$1M–$2M 4 (1.3%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 9
2 bd 39
3 bd 196
4 bd 62
5+ bd 12
Active by property type
Single Family 210 (63.8%)
Townhouse 92 (28%)
Condo 14 (4.3%)
Lot 7 (2.1%)
Manufactured 3 (0.9%)
Multi Family 1 (0.3%)
For Developers

Get New Castle 19720 data in your app

curl
request
GET https://api.straply.com/v1/markets/zip/19720
Authorization: Bearer $STRAPLY_KEY
200 OK response
{
  "zip": "19720",
  "total_tracked": 20351,
  "active": 329,
  "median_list": 335000
}

ZIP 19720 · New Castle, DE real estate: market summary

As of November 2026, Straply tracks 20,351 homes in ZIP 19720 (New Castle, DE), with 329 active for sale at a median list price of $335,000 (~$215/sq ft). Notably, the market is cooling — the median sale price is down 8% year over year.

Median list price
$335,000
Median $/sq ft
$215
Active listings
329
Median sale price
$276,000 (-8% YoY)
Properties tracked
20,351

Frequently asked: ZIP 19720 · New Castle, DE real estate

What is the median home price in ZIP 19720?

The median list price in ZIP 19720 (New Castle, DE) is $335,000 (about $215 per square foot), based on 329 active listings tracked by Straply as of November 2026.

What price range are homes in ZIP 19720?

Active listings in ZIP 19720 (New Castle, DE) concentrate in: 50% $300k–$500k and 41% under $300k.

Are home prices in ZIP 19720 going up or down?

The median sale price is $276,000, down 8% year over year. Straply tracked 574 sales here over the past 12 months.

How many homes are for sale in ZIP 19720?

Straply is tracking 329 active listings in ZIP 19720 (New Castle, DE) out of 20,351 properties on record as of November 2026.

How old are the homes in ZIP 19720?

Most homes in ZIP 19720 (New Castle, DE) were built in the 1950s. About 36% were built after 1980, while 7% predate 1940. The newest tracked home dates to 2026.

What types of homes are in ZIP 19720?

ZIP 19720 (New Castle, DE) is mostly single-family homes (64% of listings). Also common: townhouses 28%.

How many bedrooms do homes in ZIP 19720 typically have?

The most common size in ZIP 19720 (New Castle, DE) is 3 bd.

What areas are near ZIP 19720?

Nearby markets Straply also tracks include Wilmington 19804, Wilmington 19805, Wilmington 19801, Wilmington 19808.

Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.