This is the One - A Rare Find! Versatile updated home w/ income or multigenerational potential w/ expansive ADU unit in the scenic Highland neighborhood of the Hayward Hills! The entry level-in main home features a light-filled living room w/ fireplace and built-ins, updated kitchen w/ quartzite counter top & back splash, stainless steel appliances, skylight and flexible dining area, 3 bedrooms, and 2 remodeled bathrooms (on en suite the other with a shower over tub), interior garage access & laundry. The lower level lives like a separate unit w/ a private exterior entrance (or interior stair access from main home), full sized eat in kitchen w/ tons of storage, a bank of windows from a large living room that looks out to the terraced yard , 2 bedrooms, & updated bath. The ADU also has its own laundry, separate from the main home & lots of storage. A terraced backyard with multiple entertaining spaces, thoughtful plants and vegetation, anchored on both sides with mature vines and trees, a BBQ area, a built in fun slide on a grassy play area, & outdoor chiminea finish out this well maintained and wonderful home. On a closed off private street near Cal State East Bay, hiking trails, Stonebrae Country Club, Sprouts, Castro Valley Safeway Shopping Center. Dont Miss!