 When the company opened a new 12-story, flagship store in the Granite Building, it was among the five largest department stores in the country at the time.In 1905, after the disastrous 1904 "Sibley fire" gutted the Granite Building and much of Rochester's dry goods district, Sibley's moved to its final location, the Sibley Building at the northeast corner of East Main Street and Clinton Avenue.By 1939, Sibley's was the largest department store between New York City and Chicago.