How many homes are for sale in New Castle County, DE?

There are 1,131 homes for sale in New Castle County, DE as of May 2026, 13% more than a year ago.

1,131

For sale now

▲ 13% vs last year

705

Newly listed

539

Homes sold

▼ 0% vs last year

2.1

Months of supply

705 homes came on the market during May 2026, and 539 sold. More homes are arriving than leaving, so the number for sale is building.

At this pace it would take about 2.1 months to sell every home currently listed. There are more buyers than homes for sale. Sellers have the edge.

A count like this moves with the season everywhere in the country — listings build through spring and thin out over the winter. The number worth watching is how it compares to the same month a year ago, which is why we show that too.

Source: Redfin's published market data for the New Castle County, DE area, through May 2026.

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Figures come from Redfin's published market data for the New Castle County, DE area, through May 2026. Neighborhood Numbers is an independent data publisher and is not affiliated with Redfin. We update these pages when Redfin publishes, once a month.