“Topping Off” Ceremony for the Salesforce Tower


The final beam was hoisted into place on April 6, 2017 topping off the new Salesforce Tower in downtown San Francisco, which is the tallest building west of Chicago. While the new Wilshire Grand in Los Angeles has a spire that actually makes it higher in height, the San Francisco tower will hold the honor of having the highest occupied floor.  The 61-story skyscraper, located at Mission and 1st Street, and has been under construction for four years.

The Conco Companies provided concrete services on the 1,070 ft. skyscraper.  We announced last November that we successfully completed the final core wall pour and that it was now officially the tallest building in San Francisco.  One year before that, we completed the 12,000 cubic-yard mat pour for the tower and set a record for the largest pour in San Francisco’s history.

Before construction of the Salesforce Tower, the 853 ft. tall Transamerica Pyramid had held the record as the tallest building in the city for 43 years.   Another skyscraper, the Millennium, just a block away from the Salesforce Tower is garnering attention for the fact that it has sunk 16 inches from when it first opened its doors in 2009.  To further complicate matters, the condominium building is sinking unevenly.  While the Millennium’s foundations rest on 950 friction piles, they do not go down to the bedrock as does the Salesforce Tower’s foundation, which is anchored to bedrock.

The developer of the Salesforce Tower, Boston Properties reports the opening will be rolled out in phases beginning in July and continue through to 2018.  Spokesperson, Michael Cantalupa, said, “The steels been finished, concrete finished, the skin of the building is coming up. In terms of later phases of construction, the building needs to be fit out for its tenants. So, each tenant that comes in, its space is going to be designed and constructed for its particular uses.”

The Conco Companies are one of the leading concrete contractors in the Western U.S. and offer a wide range of quality services and products.  While we tackle projects both big and small, our experience includes providing the complete concrete package for the Levi’s Stadium along with other notable projects.  We serve California, Washington State, Oregon, Colorado and Nevada.


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