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.

We install these brands:

Clopay Pro Series

Garage Doors, Inc.

Carriage House Door Company




Northwest Door Company

R & S Manufacturing

The Genie Company

Doorking, Inc.

Liftmaster Professional Products

Finishline Industries, Inc.


We offer the largest selection of new garage doors in the Bay Area, and provide replacement services to fit any budget.

Steel and Insulated Garage Doors

Heavy-duty steel construction, combined with layers of environmentally safe polystyrene insulation – this combination provides comfort, energy efficiency for quiet, safe operation. These doors also come in a variety of thickness and style stamps. Universal Garage Door Services will provide a free estimate for replacing an entire door.