Joe Montana's home address is not public, however he owns a multimillion dollar estate in Calistoga, California. He lived in a condo in San Francisco until early 2014.
Montana formerly lived in a condo at the Millenium Towers building in downtown San Francisco. He still owns a 500-acre estate in Calistoga called the Villa Montana, which was listed for $49 million in 2009 and eventually removed from the market after its price was cut to $14 million by 2012. It is unclear if he lives there full-time, but the property is no longer for sale. Joe Montana is also invested in building a hotel in Santa Clara, California.