35Alpha

New Castle County, DE Housing Market Brief

county · DE · score computed October 2026

Buyer's

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.

Price Momentum20%
●39
Inventory Health25%
●37

Population band 5 of 5 (population 103,008–9,808,667) · comparable within its band

Affordability20%
●21
Economic Strength20%
●46
Rental Yield15%
●33

Where is New Castle County, DE in its market cycle?

EmergingGrowingMaturePeakingDecliningRecovering

New Castle County, DE is classified as Recovering — turning back up after a downturn. This is a classification of recent (1–12 month) momentum, not a price forecast.

What’s the forecast for New Castle County, DE?

County-level forecasts are paused (since Oct 18, 2026). The new public-data model we built to replace them didn't pass our accuracy test, and we won't publish forecasts again until a model does.

New Castle County, DE housing market data

MetricValueYoYSource
Median Sale Price$386K▲ +5.7%Redfin
Median Days on Market35 days0%Redfin
Months of Supply2.7▲ +22.7%Redfin
Homes for Sale1,338▲ +25.3%Redfin
Homes Sold492▲ +2.7%Redfin
Median Price / Sq Ft$208▲ +3.8%Redfin

How has New Castle County, DE’s Alpha Score moved?

Now: 35
2-period trend
Median sale price · 12 mo

Markets like New Castle County, DE

Frequently asked questions

Is New Castle County, DE a buyer's or seller's market?

In the scores computed October 2026, New Castle County, DE is classified as a Buyer's Market, based on its Alpha Score of 35 out of 100. The classification reflects current price, building, 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 $386K, having risen 5.7% over the past year, according to Redfin.

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 Economic Strength (46/100) 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.