This roofing company called me to inform me that the roof design that I wanted them to do is not suitable with the structure of the house. They want to set up a meeting with me so they can further explain and propose a better option. Here is their information.
San Francisco Roofing
1450 Sutter Street,
San Francisco, CA 94109
Phone (415) 868-5932
http://www.sanfranciscocaroofing.com