**Happ Investments, LLC / 1864 12th St / John 1864 12th St, Riverside, CA is a rental apartment building with 10 floorplans available. It is located in the Eastside neighborhood of Riverside. It has apartment amenities including on-site laundry. It has building amenities including on-site management, controlled access, and on-site laundry. Cats and dogs are allowed, making it a pet-friendly building.