At the moment there are three dozen such franchised condo buildings under way.

FORBES: How Much Is He Worth?

They are in buildings of no more than three storeys, so there is no need for expensive structural works.

ECONOMIST: India's cheap housing boom

Less than three miles south of Sausalito, there are more hiking routes around the 25 historic army buildings at Fort Baker, a 1905 military outpost in the Marin Headlands.

BBC: Hiking and houseboats in Sausalito