The SpaceX Landing Complex is built on top of the old LC-13. Very recently SpaceX has received the okay from the EPA to expand the landing complex and build two more landing pads. The Main Pad already exists and has been used twice.
And here is a graphic of Cape Canaveral. LZ-1 is the old LC-13:
And here is a graphic of Cape Canaveral. LZ-1 is the old LC-13:
