Sinai Construction is the most reputable and experienced foundation repair company in Los Angeles with over 30 years of experience in foundation repair and other structural and concrete work. Our main foundation services include: Soft Story Retrofit Foundation Repair Seismic Retrofit Retaining Walls Hillside Foundation Foundation Replacement Yard Drainage Slope Repair Floor Leveling Basement Waterproofing Sinai Construction Engineering has a General Contractor license. We will share with you the behind-the-scenes of our projects and what Sinai Construction does daily. Stay tuned for more.