3 Birch St Rare Mendham investment opportunity duplex properties of this size and configuration are seldom available in this market. Tucked away on a quiet cul-de-sac, this income-producing property offers two well-appointed units, each featuring 3 bedrooms, 1.5 baths, hardwood floors, and a finished basement, providing strong rental appeal and long-term value.Both units offer separate utilities, in-unit laundry, and eat-in kitchens with substantial cabinetry and stainless steel appliances, ideal for tenant satisfaction and operational efficiency. Additional highlights include a laundry room off the kitchen, spacious main bathrooms, garage parking, and a level rear yard.This property also presents an excellent owner-occupant opportunity, allowing a buyer to live in one unit while generating rental income from the other a compelling option for offsetting mortgage costs while enjoying Mendham living.A true scarcity play combining location, unit size, and infrastructure that supports stable income today with future upside in a highly desirable Morris County community.