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Professional Garage Services

GNK Garage Door is a South San Francisco based Repair and Installation company that handles both Residential and Commercial Doors. We Repair all Garage Door Springs, Residential or Commercial, and are the best choice if you need to have an emergency fixed fast. If you can dream it, we can make it, including custom wood projects or specialty low-headroom jobs. There’s no job too large or unusual for us, and we have over thirty years of experience exceeding customer expectations! Call us now to find out how we can help beautify and protect your home. We offer same-day service for your convenience and a maintenance package for your new door, in addition to our referral program which can earn you a free checkup on your entire door assembly.

"Amazing customer service! quality work! Showed up to my house on time and affordable prices! Would definitely use again! Highly recommend! Knows what they're doing!"

Garage door repairs

For fast service and great prices in the South San Francisco area, call GNK Garage Door. We have the area’s best trained technical staff, and all have been 3rd party certified. We repair all brands of garage doors and openers. We also stock many hard to find parts. We have a prompt staff so rest assured that we can get a technician to your home or business as quickly as possible.

Garage installation

Whether you have an older home or newer home, we can help you replace or install a new garage door for your home. Choosing a garage door in no easy task. Luckily our guys at GNK Garage Door Opener & Repair can help assist you in choosing the right one that best fits you and your home. If you’re not totally convinced with the garage doors available, we can also you a custom design garage door.

Services we provide

  • Professional Garage Door Repair & Replacement
  • Garage Door Opener Repair & Installation
  • General Maintenance and Checkups
  • Garage Door Spring Repair & Replacement
  • Cables Repair & Installation
  • Roller Repair & Replacement
  • Off-Track Repair
  • Safety Sensor Installation
  • Remote Repair & Replacement
  • Custom Garage Door Design
  • Complete Safety & Maintenance Checks
  • Super Quick Turnaround Time


(650) 676-4002 - 20 Jacinto Ln South San Francisco, CA 94080