Question: how much does it cost to install flat screen on wall?
Answer: Wall mount installation costs A simple flat screen TV wall mount that does not require special wiring can run from $80 to $175 to install, while a more standard wall mount can cost $200 to $500. Angie's List members who had TV mounts installed in 2013 reported paying an average of $313, with a range of $250 to $375.