Abstract: A garbage can retention assembly for inhibiting a garbage can from being opened or moved includes a mount that is removably coupled to a stanchion. An extension arm is pivotally coupled to the mount and the extension arm is positionable in a first position to extend over a lid of a garbage can that is positioned adjacent to the stanchion. An engaging member is coupled to the extension arm. The engaging member frictionally engages the lid of the garbage can when the extension arm is in the first position. A handle is coupled to the extension arm for manipulating the extension arm between the first position and the second position. A grapple is movably coupled to the handle. The grapple is biased into a gripping position for engaging a handle of the garbage can when the extension arm is in the first position to inhibit the garbage can from moving.