Diamond Materials
Construction company in Wilmington, DE 19801
About this company
Diamond Materials is listed as a construction company at 924 S Heald St in Wilmington, Delaware, in New Castle County. Federal motor carrier records list 117 drivers and 139 trucks for the company. It is one of 25 general contractors in ZIP 19801.
Other construction companies nearby
Heritage Concrete1100 S Heald St, Wilmington
0.2 mi(302) 656-9999
Pioneer Materials101 Rogers Rd, Wilmington
0.4 mi(302) 656-9999
Bruce Industrial Co Inc4049 New Castle Ave, New Castle
0.4 mi(302) 652-4331
Greggo & Ferrara4048 New Castle Ave, New Castle
0.5 mi(302) 658-5241
Dependable Construction of Delaware300 Cornell Dr, Wilmington
0.6 mi(302) 421-9152
Housing market around ZIP 19801
Figures describe the local area, not this company.
Typical home value$178,000+0.1% past year · +138% in 10 years
Typical rent$1,809+2.0% past year
12-month value outlook+2.1%
New homes permitted, 20251,322New Castle County
Days to sale agreement15Philadelphia metro · 13 a year ago
Listings with a price cut26.3%Philadelphia metro
Sale price vs list100.1%Philadelphia metro
New construction sales229Philadelphia metro, Aug · −25% from last year
Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.
Typical home value, last 10 years
Source: Zillow Home Value Index, Sep 2026.
Local building angle: New Castle County permitted 1,322 new homes in 2025, including 188 apartment units. 24% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.