Pro.com is basically a general contractor for the age of Uber and Prime Now. While the company started as a marketplace for hiring home improvement professionals, it has now morphed into a general contractor and serves Denver, Phoenix, San Francisco, San Jose and Seattle. Today, Pro.com announced that it has raised a $33 million Series B round led by WestRiver Group, Goldman Sachs and Redfin. Previous investors DFJ, Madrona Venture Group, Maveron and Two Sigma Ventures also participated.