Property management firm serving the south San Francisco bay area (Santa Clara County). Clients include both investors and private owners of rental property. Cornerstone manages multi family / apartment buildings, single family homes, townhouses, and condos. Service areas include San Jose, Campbell, Los Gatos, Sunnyvale, Mountain View, Milpitas, Morgan Hill, and Los Altos. Although Cornerstone was established in 2001, many clients have been under management dating back to 1993.. With decades of combined experience Cornerstone understands landlord tenant law and regulation-- which helps our clients limit liability and maximize profit.