Chopper 6 HD was over West Laurel Hill Cemetery in Bala Cynwyd.
Fire officials say flames were reported before 9:00 a.m. Monday at the facility in the 400 block of Righters Ferry Road.
Fire crews had the flames under control by 9:25 a.m.
Images from the Chopper 6 HD showed heavy smoke coming from the building and numerous firefighting units on the scene.
There were no injuries.