Abstract: A cantilever bracket assembly for attaching horizontal components to a side of a vertical wall. The bracket assembly comprising a bracket member and a support member having a rear portion adapted to releasably engage the wall and a substantially vertical web attached to the rear portion. The web has a first and second side and a top edge. A plurality of upwardly extending tab members are attached to one of the bracket member and the web, wherein the tab members are laterally offset from at least one of the first and second sides of the web when attached to the web. The bracket member is provided with a top portion adapted to engage the horizontal component. The bracket member has one of a plurality of hanger members and tab members adapted to receive the other of plurality of tab members and hanger members attached to the web. The bracket member is mounted on the support bracket by disposing the tab members in the hanger members.