Emil Tessin Frost House midcentury prefab backyard

A Rare Midcentury Prefab Looks Just Like it Did in 1958—Down to the Knoll and Paul McCobb Interiors13/14

Because Alside Homes were so long, they required two lots to build on. Dr. Frost purchased a third lot to ensure privacy, providing the current homeowners plenty of room to add a pool. "That's an endeavor to be respectiful," says Valentine. "We're trying to make it look like it's always been there."