The pressure is building for suburban communities to permit accessory apartments to accommodate shifting demographics. Accessory apartments create more rental housing often in communities and neighborhoods where ownership housing dominates. Accessory apartments can also provide a means for seniors and empty nesters to stay in their homes. Many suburban communities prohibit accessory apartments over concerns primarily regarding parking and traffic. Check out this article "Multiple Families, One Roof" in the Wall Street Journal, July 18, 2012. As described in the article:
The brunt of America's detached single-family homes— 41.9 million, or more than half—are in the suburbs, according to Harvard's Joint Center for Housing Studies; cities and rural areas comprise the rest.
The rise in shared households challenges the ideals upon which American suburbs were built, including ample space for families, their homes and their cars. But as baby boomers who raised families in the suburbs now age there, many don't want to sell their homes—or can't.