38 Marlborough Avenue 38 Marlborough Ave, Ottawa, ON is a rental apartment building with 8 floorplans available. It is located in the Sandy Hill neighborhood of Ottawa. It has apartment amenities including air conditioning, dishwasher, hardwood floor, central heat, and on-site laundry. It has building amenities including on-site laundry. Cats and dogs are allowed, making it a pet-friendly building.