About Us

Garage Doors Installation Repair

We are Family owned and operated proudly serving San Francisco & the Peninsula since 1980. Our expert technicians service, repair & install residential garage doors, gates & garage door openers, replacing torsion springs.

We service Burlingame, San Mateo, Redwood City, San Francisco, Hillsborough, Atherton, Woodside, Millbrae, San Bruno, South San Francisco, Half Moon Bay.

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Garage Door Services

Alert Door specializes in new door and existing garage door garage doors installation repair and replacements. Our Bay Area Services can replace your broken or bent panels too. We also carry hardware to fix any broken door. If it’s just a broke hinge, we can replace it. No job is too small for us.

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The spring broke on our heavy (300 lb) roll-up wooden garage door, of course, on a late Friday afternoon. We called Alert Door (who also answers the A-1 Garage Door phone #). Luckily, we didn’t need to have the door repaired until

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Alert Door Service, Inc. The Right Solution For Every Garage

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