High Quality Content by WIKIPEDIA articles! Xerox Tower is a skyscraper in downtown Rochester, New York standing at 443 feet (135 m) tall. When it was built in 1967, it was the tallest building made of poured-in-place exposed aggregate concrete. It is the tallest building in Rochester, as well as the third tallest building in New York outside of New York City. It was initially used as the headquarters of Xerox Corporation.