Rare 11,761 SF R2-zoned development opportunity in a highly desirable Sunnyvale location near Downtown. The property currently features a 2-bedroom, 1-bath main residence plus a detached 2-bedroom, 1-bath ADU, offering immediate flexibility and potential rental/income opportunities while future development plans are explored. The substantial lot and R2 zoning provide an exceptional opportunity for developers, builders, and investors seeking to add housing or pursue redevelopment, subject to City of Sunnyvale approvals and applicable regulations. Ideally situated near Downtown Sunnyvale, Caltrain, major Silicon Valley employers, shopping, dining, parks, and public transportation, with convenient access to Central Expressway and major highways. A rare combination of lot size, zoning, existing ADU, and locationan excellent opportunity to unlock the property's full potential.