San Francisco Skyline Remade by Tallest West Coast Office Tower

One of the most visible symbols of San Francisco’s technology-fueled boom is nearing completion and reshaping the city’s skyline.

Builders laid the final beam yesterday for Salesforce Tower, a $1 billion skyscraper that now stands as the tallest office building west of Chicago. The 1,070-foot (326-meter) tower is set to be finished this summer and the main tenant, Inc., expects to start moving in by the end of the year.

Salesforce Tower is beside the Transbay Transit Center, a $6 billion project that will tie together 11 transportation systems. In addition to transit, the center will feature a 5.4-acre (2.2-hectare) rooftop park. Both the skyscraper and the transit hub were designed by the architecture firm Pelli Clarke Pelli.

The building also is across the street from Millennium Tower, a luxury-condominium building that has tilted and sunk several inches into the earth. At the topping off ceremony, Pester of Boston Properties made a point of saying his skyscraper’s foundation is drilled more than 300 feet into “bedrock, baby.”

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