Stronghold Engineering

Established in 1991, Stronghold Engineering is a recognized leader in design-build construction. As a commercial general contractor based in Los Angeles, our technicians and crew work throughout Southern California and nearby states. Businesses, developers and government agencies rely on Stronghold's expertise for complex civil engineering, critical infrastructure, renewable energy installations and construction. Our total projects exceed $2.5 billion in construction costs and include ground-up buildings, historical renovations, seismic retrofitting, commercial solar installs, electrical engineering, water pipeline construction and more. Award-winning, Stronghold Engineering is active in the industry and Los Angeles community. We are committed to excellence, craftsmanship, and a robust safety ethos. As a WBENC and MBE/WBE Certified Company, we take pride in our projects and employees.