New Castle County, DE Housing Market Brief
county · DE · as of May 2026
What is New Castle County, DE’s Alpha Score?
The Alpha Score is a composite 0–100 index of market strength, a weighted blend of five dimensions. See the methodology.
Where is New Castle County, DE in its market cycle?
New Castle County, DE is classified as Declining — cooling, with scores declining over recent months. This is a classification of recent (1–12 month) momentum, not a price forecast.
New Castle County, DE housing market data
| Metric | Value | YoY |
|---|---|---|
| Median Sale Price | $390K | ▲ +5.4% |
| Median Days on Market | 30 days | ▲ +11.1% |
| Months of Supply | 2.1 | ▲ +10.5% |
| Homes for Sale | 1,131 | ▲ +13% |
| Homes Sold | 539 | ▼ -0.2% |
| Median Price / Sq Ft | $214 | ▲ +2.1% |
| Sale-to-List Ratio | 99.8% | 0% |
How has New Castle County, DE’s Alpha Score moved?
Markets like New Castle County, DE
- Frederick County, VA, VAcounty43
- Hennepin County, MN, MNcounty43
- Franklin County, VT, VTcounty43
- Bradley County, TN, TNcounty40
- Frederick County, MD, MDcounty41
- Berkshire County, MA, MAcounty40
- Hancock County, ME, MEcounty42
- Prince William County, VA, VAcounty44
- Worcester County, MA, MAcounty41
- Stafford County, VA, VAcounty46
Frequently asked questions
Is New Castle County, DE a buyer's or seller's market?
As of May 2026, New Castle County, DE is classified as a Balanced Market, based on its Alpha Score of 42 out of 100. The classification reflects current price, inventory, affordability, economic, and rental-yield conditions.
Are home prices rising or falling in New Castle County, DE?
The median sale price in New Castle County, DE is $390K, having risen 5.4% over the past year.
How affordable is New Castle County, DE?
New Castle County, DE scores 21 out of 100 on affordability — relatively unaffordable relative to local incomes and prevailing mortgage rates compared with other counties.
What's driving New Castle County, DE's Alpha Score?
New Castle County, DE's strongest dimension is Price Momentum (55/100) and its weakest is Affordability (21/100). The Alpha Score is a weighted blend of all five dimensions.
Want the live, interactive view of New Castle County, DE? Open the full market dashboard — charts, ZIP-level drill-down, and watchlist tracking. Explore the map or read the methodology.