The Hawaii County fire department reported a structure fire on Kealapua St. in Kealakehe, Kona.
The call came in at 11:16 a.m. Saturday and the structure sustained heavy damage.
The fire reportedly started near a water heater. Several vehicles were also damaged.
Eleven occupants of the two-story multiple family dwelling were displaced due to the fire and no injuries were reported. The Red Cross is assisting the former occupants.
No cause or damage estimate has been reported.