Find Garage Door Services in the State of Maine, including Hampden & Bangor, ME FROM INSTALLATION TO MAINTENANCE, OUR GARAGE DOOR COMPANY DOES IT ALL Whether you need a residential or commercial garage door service, Coastal Door Company is available to help. We offer affordable prices on all of our new garage doors, as well as top-notch repair services for existing doors and openers. If you're having a problem with your garage door system in Hampden or Bangor, ME, don't hesitate to contact us.