The present disclosure is directed towards a self-cleaning litter box. The self-cleaning litter box includes a litter tray having a bottom surface, a first and second side wall, a home end, and a waste end, the bottom surface having an upwardly sloping ramp directed towards the discharge end, A carriage assembly is supported between the first and second side walls, and has a rake positioned thereon. A drive assembly is removably attached to the home end of the litter tray. The drive assembly is operably connected to the carriage assembly to drive the carriage assembly along a path between the home end and discharge end of the litter tray. A waste receptacle positioned adjacent to the discharge end of the litter tray, the waste receptacle includes a selectively openable lid. The drive assembly includes all of the electronics of the litter box. This permits the litter tray to be separated from the drive assembly, and cleaned without damaging the electronics in the drive assembly.
