Alert Door Service Inc
About
Alert Door Service Inc is listed on SVHN under Garage Door, based in San Mateo.
Where We Serve
Serving homeowners throughout these local communities.
Hiring a garage door company in San Mateo
In California, garage door work of $1,000 or more needs a contractor's license from the CSLB (Doors, Gates and Activating Devices, D-28). You can look up a contractor's license at cslb.ca.gov.
Questions to ask
- Don't adjust springs or cables yourself; they're under high tension.
- If the door is off its track, stop using it until it's checked.
- Ask whether springs are replaced in pairs and how long they're rated for.
What affects the price
- Repair vs. new door
- Single or double door
- Door material and insulation
- Opener features
Other garage door companies in San Mateo
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