When it came time for Tom Moser and his wife to consider having his 83-year-old father move in with them, a house with a special multigenerational floor plan solved their problems – and may have saved his dad’s life. For the same $335,000 he might have paid for a traditional home in the Tucson suburbs, Moser, 61, was able to pick a The Home Within a Home model from Lennar Corp, one of the biggest U.S. homebuilders. It had an 800-square-foot house-within-a-house for his dad that had a separate entrance and its own patio, plus a bedroom, sitting area, and bathroom. More than 50 million Americans already live in multigenerational situations, according to Pew Research, and the number is expected to grow as baby boomers age. For an increasing number of families, clearing out an extra room for Grandma (or for “boomerang” kids and grandchildren) isn’t good enough. Homebuilders are responding with new models that have separate wings, attached apartments, dual master suites or finished basements. [Read this article]