Fully renovated & vacant fourplex in Oakland's Highland Terrace. Built in 1951, this turnkey property features four (4) 2BD/1BA units, each updated with quartz countertops, new cabinetry, appliances, hardware, and remodeled bathrooms with tile flooring and modern finishes. Interiors offer new windows, refinished/new flooring, and fresh paint throughout. All units include upgraded 100-amp electrical panels, relocated and fully permitted to meet insurance standards. The 0.16-acre lot includes an on-site laundry room, new pergola, detached 4-car garage with secured parking, and a spacious shared courtyard with private rear entrances for each unit. Preliminary permits secured for two ADUs (1 studio + 1 2BD/1BA) provide future income potential. Located in a quiet residential pocket with hillside views and easy access to I-580, transit, parks, schools, and shopping. Whether you're an investor seeking stable cash flow and long-term growth, or a buyer exploring multi-generational living or house-hacking, 2231 E 28th Street delivers flexibility and functionality in one of Oakland's most accessible neighborhoods.