Rossmoor, Walnut Creek, California

Rossmoor is a gated community in Walnut Creek, California, with a population of about 9,800. It was one of the first "active adult" communities for residents 55 years or older in the San Francisco Bay Area. The 6,676 homes are made up of cooperatives, condominiums and single-family homes spread out over a valley of 1,800 acres about 45 minutes east of San Francisco.