Sinai Construction is Southern California's oldest and most reputable foundation contractor with over 27 years' experience in foundation repair, seismic retrofitting, basement waterproofing, yard drainage, hillside foundation construction, slope repair, and other structural and concrete work.
We have a General Engineering Contractor license and a General Contractor license. We are a member of the ICRI, and we are an A+ rated member of the Better Business Bureau. We are also the recipient.. of the Talk of the Town Award and the 2011 Angie's List Super Service Awards.
Better Business Bureau (BBB) with A+ Rating, Membership in the International Concrete Repair Institute, National Association for Waterproofing and Structural Repair Contractors, Certified for earthquake retrofitting by the Los Angeles Department of Building and Safety (LADBS) and the Los Angeles Department of Housing (LAHD), Authorized for trench excavation by the State of California Department of Industrial Relations, Division of Occupational Safety and Health (OSHA)
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