A rare investment opportunity in a prime Westside San Mateo location, this spacious duplex sits on a desirable 5,023 sqft corner lot, providing excellent frontage and light exposure. With 2,470 sq ft of total living space across two well-proportioned units. The property offers immediate rental income with room and pride of ownership presence! Built in 1951, it features solid, long-lasting construction, two fireplaces, a spacious 2 Bed, 1 Bath unit along with a large 1 Bed 1 Bath unit! The generous lot size and corner placement create expansion potential, outdoor usability, and enhanced privacy! It calls to future tenants and buyers, alike! Located within the San Mateo-Foster City School District and boasting an outstanding 88 Walk Score, the property benefits from strong rental demand, low vacancy, and consistent neighborhood appreciation. Close proximity to transit corridors, Caltrain, parks, and major employers positions this duplex as a stable, high-performing asset with excellent upside. Perfect for investors or end users, a 1031 exchange option, or long-term hold in one of the Peninsulas most reliable rental markets.