Firstline Garage Door Repair is a trusted garage door service provider based in Chicago, offering expert solutions for residential and commercial properties. We specialize in garage door opener gear and sprocket replacement, spring repair, smart garage systems, and complete door installations. Our certified technicians handle all major brands including LiftMaster, Chamberlain, Craftsman, and more. Whether you're dealing with a broken opener, a noisy door, or a snapped spring, we provide fast, affordable, and long-lasting repairs. We also offer keypad programming, remote syncing, and full diagnostics for garage door automation. With years of hands-on experience, we’re committed to delivering quality workmanship, same-day service, and transparent pricing. Serving Chicago and the surrounding suburbs, Firstline Garage Door Repair is your go-to team for reliable service, expert advice, and professional results. Call us today for a free estimate and let us get your garage back on track.