An strike door keeper assembly having first and second bodies matable to form an assembly body, a keeper subassembly disposed within said assembly body, and an actuator member such as an electric solenoid disposed within said assembly body the actuating member terminating in a blocker, wherein said keeper subassembly includes an axle journaled in at least one of said first and second interlocking bodies, a keeper flange pivotable on an axis of said axle and protruding through an opening in one of said first and second interlocking bodies, and a tang extending into interfering relationship with said blocker to fix said keeper flange in a locking position when said solenoid is in one of an energized and a de-energized state. In one aspect of the invention, the assembly includes a faceplate assembly having flanges and keys for mounting and preventing rotation of the door keeper assembly.