Diamond MaterialsPaving contractor in Wilmington, DE

Diamond Materials is ranked #27 of 124 paving contractors in Wilmington by CR Score, with 56 out of 100 as of November 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

Diamond Materials is open Monday to Friday. Its listed hours are Monday to Friday, 7:30 AM – 4:30 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves Wilmington and 11 towns within 25 miles: Elsmere, Wilmington Manor, Edgemoor, New Castle, Claymont, Pike Creek Valley, Pike Creek, Bear, Hockessin, North Star and Brookside. The list is based on the business's location and the usual service radius for paving. Confirm your address is covered when you call.

Diamond Materials has a rating of 4.0 from 54 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

Call Diamond Materials on (302) 658-6524. The business is at 924 S Heald St, Wilmington, DE 19801. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.