An automated cat litter box includes a cat litter tray, a cat litter return bin that collects soiled cat litter from the cat litter tray and that returns recycled cat litter to the cat litter tray, a control unit, and one or more drive units operated by the control unit to drive the cat litter tray and the cat litter return tray to automatically recycle the soiled cat litter during a cat litter box cleaning cycle.