Prime downtown mixed-use investment at 4507-4511-4515 Queen St, Niagara Falls. Over 8, 800 sq ft on two levels plus full basement, located in the Central Business District (CB zoning). Main floor offers 2 commercial units (1 leased, 1 vacant). Second floor features 5 fully renovated, furnished apartments, plus 2 rear units (total 7 residential units: 4 one-bed, 1 two-bed, 2 bachelor). Turnkey for short-term (Airbnb) or long-term rental. Steps to Niagara University, City Hall, transit, and high foot traffic area. Projected cap rate over 8%. Strong cash flow with future upside amid ongoing downtown revitalization and investment. Can be purchased with 4497 Queen St.