Exterior, House Building Type, Prefab Building Type, and Wood Siding Material The Acorn Deck House Company specializes in prefabricated, custom homes that are manufactured in major components, which are then meticulously precut and detailed for tight tolerances and an accurate fit. They even make proprietary millwork—including mahogany entry doors, mahogany windows and sliding glass doors, stair and rail systems, and trim styles. The company, established in 1947, has built over 20,000 homes from Maine to California, Israel to Japan.  Photo 6 of 6 in 5 Massachusetts Prefab Home Companies to Watch

5 Massachusetts Prefab Home Companies to Watch

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The Acorn Deck House Company specializes in prefabricated, custom homes that are manufactured in major components, which are then meticulously precut and detailed for tight tolerances and an accurate fit. They even make proprietary millwork—including mahogany entry doors, mahogany windows and sliding glass doors, stair and rail systems, and trim styles. The company, established in 1947, has built over 20,000 homes from Maine to California, Israel to Japan.