The shared office provider WeWork has expanded its presence in San Francisco by a third with its lease of the 250,000sq ft Union Bank Building , the largest it 's signed this year . And as WeWork continues to absorb more and more space in San Francisco’s tight real estate market, commercial brokers and building owners are watching the company carefully, said Daniel Cressman, executive managing director with Newmark Knight Frank. The expansion will see it lease the entire building and comes in response to growing demand , according to the company . The Union Bank Building is WeWork 's 13th location in the city , making the company San Francisco 's fourth - biggest employer .
The shared office provider WeWork has expanded its presence in San Francisco by a third with its lease of the 250,000sq ft Union Bank Building , the largest it 's signed this year . The expansion will see it lease the entire building and comes in response to growing demand , according to the company . The Union Bank Building is WeWork 's 13th location in the city , making the company San Francisco 's fourth - biggest employer .