 “In single-family detached homes, two full bathrooms and three bedrooms are most common.In multi-family units, one bathroom and two bedrooms are most common.The only exceptions are among households age 75 or older, where one-bedroom multifamily and one-bathroom single-family housing units are more common.”

Active adult housing is often designed for complete single-floor living, with features like laundry facilities and the master bedroom and bathroom on the first floor.