© 2021 Greatway Roofing. All rights reserved. | Lic. #768955 | Our Privacy Policy. We've been roofing Ventura County California since 1999. We're Residential & Commercial Roofing Contractors that specialize in Roof Replacement and Roof Repair in Ventura County, California. In addition to our other roofing services, Roof Inspection and Roof Maintenance are important areas of service.