Garage Door Repair Master is a mobile garage door service for homes and light commercial properties in 20 cities, from San Francisco, Oakland and San Jose to Monterey, Carmel and Salinas. Technicians replace torsion and extension springs and lift cables, repair and install chain, belt and smart openers, realign tracks, replace panels and weather seals, run tune-ups and install new doors. You get a free upfront quote before any work starts. Open Monday to Saturday, 7 AM to 7 PM.