Abstract: A plumbing waste arm with clean out has a waste arm adapted to connect to a wall drain pipe at one end and a clean out end at an opposite end. The clean out end has a threaded portion that engages with a cleanout portion cover to removably seal the clean out end. A vertical portion is disposed between the wall drain pipe end and the clean out end and connects to a p-trap using a slip nut. In use, a user removes the cap and feeds a snake in through the clean out opening. The clean out end may be angled to allow use in plumbing configurations where the p-trap is in the way of the clean out portion. The threaded portion may have exterior threads with a cap or interior threads with a plug.