The Valhalla Fire Department was dispatched with North White Plains Fire Company No. 1 to 37 Custis Ave in North White Plains for a bathroom outlet on fire. Upon arrival Car 2481 found heavy smoke coming from the attic space of the house. A working fire assignment was transmitted which brought West Harrison Fire Department with an engine and @Thornwood Fire Department with a FAST. Valhalla Ambulance Corps responded the scene as well with an ambulance and rehab unit. The fire started in a second floor bathroom vent fan a spread into an attic space. Crews quickly extinguished the fire and performed overhaul. Valhalla units on scene were Car 2481, 2482, and TL-49. Hawthorne Fire Department was requested to stand by with a crew for their ladder.