Black Diamond Sealcoating LLCPaving contractor in Altoona, PA

Black Diamond Sealcoating LLC is ranked #2 of 14 paving contractors in Altoona 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 LLC is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

Serves Altoona and 5 towns within 25 miles: Tyrone, Park Forest Village, State College, Huntingdon and Bellefonte. 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 LLC has a rating of 5.0 from 11 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 LLC on (814) 934-3635. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.