Their home happens to be made for this type of living. It was designed to include an attached 600-square-foot suite, complete with a kitchenette and living room.

Nineteen-year-old Jamie was the lucky one to move into it. The walls are covered with bright red paint and pictures of her friends. Her mom jokes that Jamie will not be leaving anytime soon…

The homebuilder, Lennar, now offers these so-called NextGen floor plans in 18 states. In Arizona, the company says 25 percent of its sales last year were NextGen homes…

“It’s the new normal,” Canzonetta says. “It’s how we live post-recession.”