Jim Allen construction and building contractors based in the North Bay Area. Established in 1975, Jim Allen Construction Group provides a range of building services, in Sonoma, Marin, and Napa. Whether you need the full project management of a new design and build or else need advice regarding the renovation of a traditional building we have the skills and experience to fulfil your requirements. Our employees, which include builders, joiners, electricians, plasterers and apprentices are fully qualified and accredited. For more information or a consultation please go to the contact page provided.