Elon Musk, co-founder and chief executive officer of Tesla Inc.

, was not joking when he tweeted his plans to sell “almost all physical possessions” in May 1.

Now, a total of seven of Musk’s homes all located in California and are collectively worth $100 million, have appeared on Zillow as “for sale by owner.”

 

The homes are listed as being “a project for the big thinker, designed to showcase one of the best views in Los Angeles – from the city to the ocean and beyond.’

Zillow also notes, “due to listing limitations, additional specs on each individual home, as well as insight on the project as a whole, will be made available upon request by qualified buyers.”

The tech billionaire have spent years to purchase adjacent mansions within Los Angeles’ Bel Air neighborhood.

He explained in a recent interview that he bought neighboring properties due to privacy concerns, as he recalls his experience that includes people trying to climb over his primary home.

He also pointed out that his decision is not financially motivated, stating, “Don’t need the cash. Devoting myself to Mars and Earth. Possession just weigh you down.”

Musk bought his first Bel Air property for $17 million in late 2012, and it is now estimated to be worth $22.3 million.

He then bought two other houses on the same neighborhood In October 2013, including one he bought for 6.75 million and now on the market for $9.5 million.

He also bought two more properties on an adjacent street, another ranch house for $20 million in July 2015 and an unfinished mansion for $24.25 million in 2016.

And two years later, he reportedly bought another mansion worth $4.2 million next door.

One of the mansions in his real estate portfolio includes Gene Wilder’s 2,756 square foot, three-bedroom, and three-bathroom ranch-style home for over 30 years until 2007.

Musk specifically stipulated that “it cannot be torn down or lose any its soul.”