WEINSTEIN CONSTRUCTION: RESIDENTIAL & COMMERCIAL FOUNDATION REPAIR SPECIALISTS For 35 years, Weinstein Construction has been the #1 earthquake retrofitting company for residents of Los Angeles and the San Fernando Valley. We are the largest and most experienced foundation repair company in all of Southern California! With over 65,000 free home inspections conducted throughout Earthquake Country, we’re able to provide you with the best solutions at an affordable rate! Our committed team of Quake Proofers will secure your home or structure to its foundation, enabling your building to resist serious earthquake activity. Whether it is home stabilization you need, foundation leveling or basement waterproofing, Weinstein Construction can improve the structural stability of your home. Our services are designed to meet all of your seismic retrofitting and foundation repair needs.