A major San Francisco office tower has been awarded LEED Platinum v4 certification, making it the first building in the United States, and only the second in the world, to achieve this high-level energy efficiency distinction, according to Multi-Housing News.
One Sansome Street was granted the certification by the United States Green Building Council. LEED Platinum v4 is the highest certification level offered by the Council.
The property has previously achieved a high-level LEED certification when it was awarded LEED Gold-Level certification in 2010. But the property owner didn’t stop there and continued adding energy efficiency improvements and waste-reduction techniques until the structure was qualified for LEED’s highest certification.
The 41-story building houses offices in its 611,000 square feet of net leasable space. Originally built in 1983, One Sansome Street is owned and managed by Barker Pacific Group. Tenants in the building include Citigroup, Lennar, the California Department of Corporations, the British Consulate and iStar Financial.
Currently, the building boasts a solid waste conversion rate of 78 percent, 3 percent above the minimum required for LEED Platinum v4 certification. In total, the tower achieved Platinum level by scoring 80 out of 110 points on the United States Green Building Council’s LEED scorecard.
The Platinum and Gold LEED certifications aren’t the first distinctions One Sansome Street has received for green operation and energy efficiency. The tower was named Green Business of the Year by the Novato Chamber of Commerce in 2013. Barker Pacific Group continues to use sustainable materials and products for building maintenance.
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