Prospect Plaza Apartments 1315 Prospect Ave, San Gabriel, CA is a rental apartment building with 3 floorplans available. It is located in the South of San Gabriel Village neighborhood of San Gabriel. It has apartment amenities including air conditioning, ceiling fan, hardwood floor, dishwasher, on-site laundry, and carpet. It has building amenities including on-site management, garage parking, outdoor space, on-site laundry, and swimming pool. Cats and dogs are allowed, making it a pet-friendly building.