Experience You Can Build On: 40 Years of Foundation Repair Expertise in Los Angeles

Why Sinai Construction is the Trusted Name in Foundation Repair

A Trusted Company

At Sinai Construction, we’ve seen it all — and solved it all. As the oldest foundation repair company in Los Angeles, our four decades of hands-on experience have earned us a reputation that speaks for itself. In fact, our expertise runs so deep that even our competitors turn to us for advice when they hit a tough spot.

When you've been in business for over 40 years, successfully repairing thousands of foundations, seismic retrofits, and retaining walls, word gets around. Homeowners trust us. Engineers recommend us. And yes — sometimes even other foundation companies call us when they need help with a challenging project.

At Sinai Construction, we don’t just fix foundation issues — we understand what causes them and how to prevent them from coming back. Whether it’s your home, your commercial property, or your client’s next big project, you can trust us to deliver long-lasting, high-quality solutions.

Need foundation repair, a seismic retrofit, or a new retaining wall? Call Sinai Construction at (323) 655-0960 and put 40 years of proven experience to work for you.