Puget Sound Fire says multiple agencies responded to a brush fire on Friday afternoon that spread to a storage building.
The fire started near 18600 Byers Road Southeast near Maple Valley, which was estimated to be 100 by 200 feet.
The Renton Fire Authority, Eastside Fire & Rescue, Port of Seattle Fire, Puget Sound Fire, Zone 3 Fire Cadets, and King County Medic one all responded to the call.
Crews say the fire was put out in just over an hour.