Rare Investment Opportunity in Prime San Mateo Location! Ideally located between Downtown Burlingame and Downtown San Mateo, this well-maintained duplex, with additional unit, offers flexibility for investors, multi-generational living, or owner-occupants. The property includes a 2BR/1BA upper unit, 3BR/1BA middle unit, and a 1BR/1BA studio all currently rented month-to-month with a combined monthly income of $7,350 (utilities not included). Features include updated interiors, newer carpet, tile flooring, crown molding, and abundant natural light. Select units offer stainless steel appliances. Recent upgrades: composite roof, skylights, fresh interior/exterior paint, and updated sewer lateral. Shared laundry, dedicated storage closets, and open parking for 3 vehicles enhance functionality. Large lot may offer ADU potential (buyer to verify with City of San Mateo). Convenient, walkable location near Caltrain, top schools, parks, trails, and a wide variety of shops and restaurants. Live in one unit and rent the others, or enjoy solid rental income from all three. A rare and versatile opportunity in a sought-after neighborhood!