Black Diamond SealcoatingPaving contractor in Troutdale, OR

Black Diamond Sealcoating is ranked #1 of 132 paving contractors in Troutdale by CR Score, with 61 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 Sealcoating is open 7 days a week. Its listed hours are Monday to Sunday, 8 AM – 4 PM. On Saturdays it is open 8 AM to 4 PM, and on Sundays 8 AM to 4 PM. Hours come from the business listing; holiday hours may differ.

Serves Troutdale and 11 towns within 25 miles: Fairview, Gresham, Lents, Happy Valley, Damascus, Clackamas, Sandy, Oatfield, Portland, Milwaukie and Kenton. 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 Sealcoating has a rating of 5.0 from 43 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 Sealcoating on (971) 570-1206. The business is at 940 NW Dunbar Ave #100, Troutdale, OR 97060. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.