"Aging in Place" is a term that is becoming more commonplace. From a real estate standpoint, this usually means a one level home, or one that has a master on the main and a relatively level entry. Clients are often looking ahead for these basic features in order to stay in their homes as long as possible. New construction often takes this further, and elevators are becoming more prevalent so the entire house can be accessed, no matter the state of the owners knees and hips. Read this NY Times article to see where this trend is heading.