Blach ConstructionGeneral contractor in San Jose, CA

Blach Construction is ranked #35 of 621 general contractors in San Jose by CR Score, with 59 out of 100 as of October 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.

Blach Construction 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 San Jose and 11 towns within 25 miles: Milpitas, Alum Rock, East Foothills, Santa Clara, Communications Hill, Sunnyvale, Campbell, Cupertino, Mountain View, Fremont and Saratoga. The list is based on the business's location and the usual service radius for general contracting. Confirm your address is covered when you call.

Blach Construction has a rating of 3.6 from 17 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 Blach Construction on (408) 244-7100. The business is at 2244 Blach Pl #100, San Jose, CA 95131. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.