Yelp Top Rated
5-Star Reviews
Family Owned
Since 2015
BBB A+ Rated
Accredited Business
40+ Years
Combined Experience
Our Expert Services
Comprehensive garage door solutions for residential and commercial properties throughout Alton and the Lakes Region.
Garage Door Repair
Fast, reliable repairs for all garage door issues. From broken cables to damaged panels, we fix it all.
Learn More →New Installation
Professional installation of fiberglass, steel, and custom garage doors. Transform your home's curb appeal.
Learn More →Maintenance
Preventive maintenance programs to extend the life of your door and prevent costly breakdowns.
Learn More →Emergency Service
24/7 emergency response for urgent garage door problems. We're here when you need us most.
Learn More →Spring Replacement
Expert spring repair and replacement. We handle torsion and extension springs safely.
Learn More →Opener Services
Installation, repair, and programming of all major garage door opener brands.
Learn More →What Our Customers Say
Join 1,975+ satisfied customers who trust Garage Door Alton for all their garage door needs.
"Incredible service! They fixed my broken spring within 2 hours of my call. The technician was professional, explained everything, and the price was fair. Highly recommend!"
Sarah Mitchell
Laconia, NH
"We had a new fiberglass door installed and couldn't be happier. The installation team was efficient and left the area spotless. The door looks beautiful and works perfectly."
Robert Thompson
Wolfeboro, NH
"Family-owned means they actually care. They've maintained our doors for 3 years now. Always on time, always professional. Best garage door company in the Lakes Region!"
Jennifer Adams
Gilford, NH
Frequently Asked Questions
Get answers to common questions about our garage door services.
Ready to Fix Your Garage Door?
Get a free quote from our licensed technicians. We offer same-day service and a money-back guarantee on all work.