Jannard, who founded Oakley in 1975, has put his enormous concrete fortress on the market for a second time—with a $3 million discount.

He’s fallen victim to a challenging trend in the luxury housing market where many of the country’s most lavish and expensive homes are being priced too high when they hit the market. And now, Jannard stands to lose out on the proceeds he was expecting when he first listed the house.

The billionaire, who got his start in motorcycle parts, had a custom motorcycle display built into the industrial-style home.