A trailer jack support apparatus configured to support trailer hitches includes a monolithic block having six sides with the trailer jack support being in the shape of a square frustrum or trapezoid. The top of the trailer jack support includes a number of protrusions which extend from the trailer jack support. Further, the top side has a recess and a void located at the bottom of the recess. In addition, the bottom of the trailer jack support includes numerous recesses defined therein and may engage with the protrusions extending from the top of a second trailer jack support.