Wonderful opportunities abound on this level 1/3 acre lot in the heart of Castro Valley featuring side access to the huge back yard and to the approximately 864 sq ft detached garage/ workshop. This large parcel offers unlimited possibilities to build an ADU, a tennis or pickle ball court, a workshop for car enthusiasts , hobby, pool, or whatever your passion is. Owners have lived here for over 50 years and loved their 2 bedroom, one bath home with den. There are beautiful hardwood floors in main living areas, a bright and sunny living room with a wood burning fireplace and built in bookshelf. The formal dining area is close to the cozy kitchen and the the den. The laundry room exits to the backyard to the covered patio and built in BBQ. Good for "City Farmer" too. Lots of off street parking, boat, RV and guests. Fruit trees. Walking distance to all schools.