Tri General Builders 3900 Geary Blvd # 102 San Francisco, CA 94118 Phone : (415) 933-9602 Business Category Roofing Contractors Roofing Siding & Sheet Metal Work Genesis Roofing Systems 3900 Geary Blvd # 102 San Francisco, CA 94118 Phone : (415) 933-9602 Business Category Roofing Contractors Roofing Siding & Sheet Metal Work Tri General Builder , Phone : (415) 933-9602 Business Category