With more than 20 offices and over 400 professional agents, Frank Howard Allen Realtors is the largest real estate company fo ... cusing exclusively on California’s North Bay communities in Marin, Sonoma and Napa counties. As a members of Leading Real Estate Companies of the World and Luxury Portfolio International, the largest global network of premier locally branded companies, Frank Howard Allen is able to offer home buyers and sellers the resources of a national firm and the strength and value of a local market share leader. Locally owned and operated since 1910, Frank Howard Allen prides itself on providing extraordinary personalized care and its commitment to giving back to the communities it serves. For more information, visit: www.fhallen.com. read more