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 dishwasher, air conditioning, hardwood floor, on-site laundry, ceiling fan, and carpet. It has building amenities including on-site management, outdoor space, on-site laundry, garage parking, and swimming pool. Cats and dogs are allowed, making it a pet-friendly building.