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 dishwasher, air conditioning, hardwood floor, on-site laundry, and central heat. It has building amenities including on-site laundry. Cats and dogs are allowed, making it a pet-friendly building.