425 California Street, Office skyscraper in Financial District, San Francisco, US

425 California Street is a 26-story office building at the corner of California and Sansome Streets in San Francisco. Completed in 1968, it serves as the headquarters of Cahill Contractors.

425 California Street was completed in 1968 as a 26-story office building at the corner of California and Sansome Streets. The sources record no architect for the tower, and its design is not attributed to John Carl Warnecke & Associates. It now serves as the headquarters of Cahill Contractors.

The building is the headquarters of Cahill Contractors, a San Francisco construction firm. Its address at California and Sansome Streets places it in the Financial District, and the 26-story tower has stood there since its completion in 1968.

The building sits near public transportation with direct access to BART and Muni services for easy commuting. Its location in the heart of the Financial District means nearby shops, restaurants, and services are within walking distance.

The building is the headquarters of Cahill Contractors, a San Francisco firm founded in 1944 by brothers John and Leo Cahill. The company has worked on projects including the San Francisco Museum of Modern Art and the Transbay Transit Center, and moved its offices into this 26-story tower on California and Sansome Streets.