101 Montgomery  101 Montgomery (also known as The Schwab Building) is a high-rise office building located in San Francisco, California. The building rises in the northern region of San Francisco's Financial District. It contains 28 floors, and was completed in 1984. 101 Montgomery is currently tied with Embarcadero West as the 39th-tallest building in the city. The building's developer was Cahill Contractors. The building has earlier served as the headquarters of Charles Schwab & Company.