An apparatus is provided for facilitating quick and accurate placement of a pole in a post hole for building pole buildings and for holding the post in such position during backfilling, tamping and/or concrete placement in the post hole. A post clamping device holds the post during a time when other adjusting aspects of the present invention can be used to move a post up or down, from side to side in at least two directions, tipping in any direction and rotation about a vertical axis of the post.