Data as of February 2026. Source: Realtor.com.
The New Castle County, DE real estate market currently shows 1,165 active listings, with 477 pending sales. Homes are averaging 45 days on the market before going under contract.
Inventory has tightened compared to last year, with 57 fewer active listings — creating more competition among buyers.
The median listing price has risen 9.3% year-over-year, from $388,713 to $425,000.
Whether you are buying or selling in New Castle County, DE, SELL123.com can help you save significantly on commission — typically 2% compared to traditional 5% broker fees. Call (240) SELL-123 for a free consultation.
Population: 566,249 · Density: 1,109.2/mi² · Median household income: $88,358
Typical home value: $310,257 · Homeownership: 68.1%
Wilmington: 19803, 19804, 19805, 19807, 19808, 19809, 19810, 19850, 19880, 19890, 19891, 19892
Newark: 19702, 19711, 19712, 19713, 19714, 19715, 19716, 19717, 19718, 19725
New Castle: 19720, 19721, 19726
Wrangle Hill Estates: 19701
Claymont: 19703
Delaware City: 19706
Hockessin: 19707
Whitehall: 19708
Middletown: 19709
Montchanin: 19710
Odessa: 19730
Port Penn: 19731
Rockland: 19732
Based on listing price changes before sale/pending as a proxy for sale-to-list dynamics. Source: Realtor.com.