A pet scoop assembly and method of use. The assembly includes a scoop member; a receptacle detachably engageable with the scoop member; and a door disposed intermediate the two. A disposable bag may line the receptacle and be clamped in place between the receptacle and scoop member. The door opens inwardly into the receptacle. When the scoop assembly is turned into a vertical orientation, the door opens by gravity or by the weight of gathered pet waste sliding onto the door. A region of the scoop member adjacent the door is angled to allow pet waste to slide readily from the scoop member into the receptacle. In a variation, the scoop member is provided with a plurality of tines that enable pet waste to be removed from surfaces such as grass. An elongate handle is provided on this scoop to allow the user to stand upright during use.