225 Bush Street, originally known as the Standard Oil Building, is a 328-foot (100 m), 25-floor office building in the financial district of San Francisco.

It was the tallest building in the city from its completion in 1922 until 1925.

It contains approximately 560,000 sq ft (52,000 m2) of rentable space.

It is a historic building, serving as the headquarters for Standard Oil of California, now Chevron, for over half a century.

Architect George W. Kelham designed the Standard Oil Building for John D. Rockefeller and modeled it on the Federal Reserve Bank of New York Building.