Former OpenAI home seeks buyer in San Francisco’s AI boom
San Francisco's historic Pioneer Building is up for sale as startup Exa Labs gets ready to move in.
CoStar News
October 22, 2026 | 11:52 P.M.
A historic office building in San Francisco is up for sale. The building has become known as a place where some of the city's best-known artificial intelligence (AI) startups got their start.

