The actor and his wife Maj bought the ranch in Ojai, California in 1987 when it was just a 1,500 sq ft home and turned it into an oasis in the desert with a stunning nine bedrooms, nine bathrooms and five swimming pools, reported Radar Online.
In a video tour of the home narrated by Hagman, he describes how he and his wife looked at a property in Ojai, "I took a look at it and that was on a Monday and Friday we owned the property."
He also said that they were trying to decide on a name for the property and tossed around Hagman's Hideaway or Hagman's Haven but his wife ultimately came up with the name Heaven.
"She said 'This is as close to heaven as I think we'll ever get," he explained.
The Tuscan-style home sits on 42 acres, has planted olive, grapefruit, lime, orange and avocado trees an 400 rose bushes.
The property has a manmade babbling creek with view of the Pacific Ocean and the mountains in all directions.