 It was the tallest office building constructed in San Francisco in the 2000s, and is the 25th tallest building in San Francisco.The building is the part of a new generation of skyscrapers in San Francisco's downtown built on Mission Street since 2000, including The Paramount, the St. Regis Museum Tower, Millennium Tower, 101 Second Street, and JP MorganChase Building.Tishman Speyer acquired the land for the project in 1999.