MULT OFFERS RCVD "Upper Valley" and “best schools area” of Castro Valley on a large double-sized private lot. The main living area (3 BdRm-2 Bth-Inside Lndry, LivRm, DinRm, FamRm, Huge Open Room) are ALL ON ONE LEVEL which includes the 386 sqft elevated "tree top view" room. A separate downstairs area with a kitchenette, full bath & closet, provides unlimited possibilities. **And, DON'T MISS the 360 sq ft DETACHED HOME OFFICE, wired for numerous computer workstations. Office is completely separate from the home & features dual pane windows overlooking your own fruit orchard & extensive vegetable gardens. (office sq ft is not included in home sq ft) Multiple large private patio & deck areas. This home is located in a quiet & desirable, semi-rural area, yet close to shopping & easy freeway access. Considering the sq ft, the separate downstairs area with kitchenette, the separate detached office, & the versatility of the large double-sized lot; this is a very special property!