JAHZ Concrete CompanyConcrete contractor in San Leandro, CA

JAHZ Concrete Company is ranked #2 of 305 concrete contractors in San Leandro 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.

JAHZ Concrete Company 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 Leandro and 12 towns within 25 miles: Danville, Alamo, San Ramon, Blackhawk, Saranap, Moraga, Walnut Creek, Lafayette, Waldon, Contra Costa Centre, Dublin and Castro Valley. The list is based on the business's location and the usual service radius for concrete work. Confirm your address is covered when you call.

JAHZ Concrete Company has a rating of 5.0 from 13 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 JAHZ Concrete Company on (510) 926-5370. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.