SEATTLE: The counter culture is still strong, and may completely change the way seniors housing is developed, constructed and delivered. Just as the baby boomers reach the age at which they might start using 55-plus seniors housing, not only are they still not ready to go the traditional route, but this attitude is causing a massive shift in the use and design of residences for the elderly.

According to a recent survey of more than 4,000 baby boomer households in the United States, about three-quarters of those born between 1945 and 1964 do not want to move into a seniors housing community…