Black Diamond AsphaltPaving contractor in London, ON

Black Diamond Asphalt is ranked #14 of 37 paving contractors in London by CR Score, with 57 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.

Black Diamond Asphalt is open Monday to Friday. Its listed hours are Monday to Friday, 9 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves London and 5 towns within 40 km: Dorchester, Ingersoll, St. Thomas, Aylmer and Woodstock. The list is based on the business's location and the usual service radius for paving. Confirm your address is covered when you call.

Black Diamond Asphalt has a rating of 4.5 from 33 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 Black Diamond Asphalt on (519) 472-3177. The business is at 146 McMillan St, London, ON N5W 6C6. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.