Garage door sales, service and installation. Hillsborough County Door is the area’s leading garage door professionals. With over 30 years of experience in garage door service and installation. Hillsborough County Door offers a garage door tune up that will help make your garage door and opener operate quiet and smooth. This service will help extend the life of your garage door and opener and add safety and security to your home. Call today to schedule your garage door tune up and rest easy that Hillsborough County Door will get your garage door and opener operating properly and safely.