Welcome to 1475 166th Avenue in Ashland, a fully occupied and well-maintained fourplex offering exceptional connectivity and everyday convenience between San Leandro, Castro Valley, and Hayward. This centrally located neighborhood provides quick access to Interstate 580, Interstate 880, and BART, making commuting throughout the Bay Area efficient and practical. Residents enjoy close proximity to shopping centers, local restaurants, parks and schools, while also benefiting from nearby recreational amenities including Lake Chabot Regional Park and the San Leandro Marina. Built in 1960, this cozy 3,510 SqFt building sits on a spacious 8,800 SqFt lot and features all 2BD/1BA units. The backyard is exceptionally large and may offer outstanding future development potential. Effective June 1, 2026, the property will generate gross scheduled revenue of $6,438 per month, creating strong in-place income with substantial future upside potential. The property has been carefully maintained over the years as part of a long-held family portfolio and includes desirable tenant amenities such as two shared coin-operated laundry rooms, and four garages with parking pads in front. Each unit is separately metered for gas and electric. 1475 166th Ave. is being offered with two other fourplexes in the portfolio located at 68 & 76 Oakes Boulevard, San Leandro (each listed at $1,495,000), presenting a rare opportunity for investors seeking additional multifamily assets with operational scale and long-term upside. The property is ideal for either an owner-occupant seeking a more sustainable long-term living arrangement through supplemental rental income or an investor looking for immediate cash flow. With strong occupancy history, good unit sizes, and a convenient location, 1475 166th Ave. represents an exceptional multifamily investment opportunity.