TodaysPlans.com and iCadTec provide access to free blueprints for a number of garage layouts. There are also companies that sell customized garage blueprint plans, but the free resources provide a starting point for people considering the addition of a garage or new home construction.
The choices on the TodaysPlans.com website include one-car and two-car garage plans built separately from a home. As of 2015, the basic one-car plan is 16 feet wide and includes a pull-down stairway leading to a storage loft above the garage area. Depth options range from 22 to 26 feet. The design expands for multiple cars as well. The two-car coach house plan works on sites permitting 24 feet by 24 feet, or second dimension options of 26 and 28 feet.
The iCadTec website leads the user to plans that people at several different engineering schools have drawn up for garage blueprints. While some of these drawings are more elaborate in terms of detailing and technology than those on the TodaysPlans website, the blueprints available on both websites are clear and understandable from a layperson's point of view. Homeowners looking to add a separate garage on their land can use these as a starting point when talking to contractors.