A pet waste collection system has a main housing with a recessed wall area adapted for nesting of a collapsible frame, and at least one orifice on said back wall for movement of a portion of a sliding pole. At the far end of the sliding pole is a collapsible frame for a holding a waste receptacle, which is formed of at least two unconnected frame sections, wherein these unconnected frame sections have a first, collapsed position and a second, extended, open position. One frame section of said at least two unconnected frame sections is a leading linear frame section for positioning closest to the rear of a pet to create a wide linear edge area for efficient pet waste collection. Another embodiment pet waste collection system has a fixed handle, a main housing and a separate telescopic pole which moves the connected frame to and from the main housing.