Set on one of the larger residential lots in Mount Vernon with the potential to subdivide, this expansive 5-bedroom, 4 full bathroom two-family property offers scale, flexibility and strong income potential on a 9,148 sq. ft. (0.21-acre) lot. With 2,257 sq. ft. of interior living space, this home presents a compelling opportunity for investors, owner-occupants or buyers seeking a versatile asset with long-term upside. The first-floor unit offers one bedroom and one full bathroom, while the two-level second-floor unit features four bedrooms and one full bathroom. Hardwood floors run throughout the home, enhancing durability and appeal. The basement level includes two full bathrooms, three bonus rooms, a kitchenette and benefits from two separate exterior entrances. Major mechanicals include a boiler approximately 10 years old and a hot water tank replaced within the last four years. The two-car driveway provides convenient off-street parking. Conveniently located near Metro-North (Mount Vernon East Station), local Bee-Line bus routes, major parkways, shopping, dining and everyday amenities, this property is well-positioned for commuters and long-term tenants alike. Whether you’re looking to maximize cash flow, house-hack or secure a solid two-family investment on a rare oversized lot, 133 Franklin Avenue offers space, flexibility, and opportunity. This is a well-positioned asset that delivers value today and appreciates into the future. The property can be delivered vacant.