Yes, Warren Buffett is a real estate investor. In addition to his investments in other industries, Buffett has made significant investments in real estate through his role as CEO of Berkshire Hathaway, a multinational conglomerate that owns a number of real estate assets.

Berkshire Hathaway owns a number of real estate companies, including Clayton Homes, the largest manufacturer of manufactured homes in the United States, and the real estate brokerage firm Berkshire Hathaway HomeServices. The company also owns a number of commercial properties, including office buildings, hotels, and retail centers.

Buffett is known for his conservative approach to investing, and he has a track record of making successful investments in a variety of industries, including real estate.