Is New Castle, DE 19720 a buyer’s or seller’s market?

The New Castle housing market right now

In the three months ending August 31, 2026, 36% of homes in New Castle, DE 19720 sold above their list price, the typical home went under contract in 35 days and there were 1.9 months of supply. Under four months of supply means sellers have the edge: expect competition for well-priced homes. That’s based on 146 home sales.

Compared with the same period a year earlier, the share selling over asking fell from 51%, homes sold more slowly (29 days then) and the median sale price rose 11% to $334,855. Overall, New Castle is less competitive than a year ago, which gives buyers more room.

Within New Castle County, homes here sell more slowly than in 62% of the county’s ZIP codes, and sell less often over asking than in 57%. On our competition score, New Castle ranks #11 of 47 DE ZIP codes with enough sales (score 72 out of 100).

Nearby, buyers who want less competition could look at Odessa 19730 (0% sold over asking) or Delaware City 19706 (14% sold over asking), while Saint Georges 19733 (50% sold over asking) and Claymont 19703 (48% sold over asking) are even more competitive.