Abstract: A door knob receptacle for receiving and retaining a door knob of a door within a pocket created in a wall by installation of the door knob receptacle thereon, comprising a hemispherical shell having an inner periphery and an outer periphery, a rectangular flange having a front and a rear, which surrounds the outer periphery, self-adhesive tape which is secured to the rear of the rectangular flange, and securing structure such as semi-rigid brushes disposed around and extending inward from the inner periphery of the hemispherical shell towards the center of the hemispherical shell in such a manner that a gap is formed in the center of the semi-rigid brush arrangement.