UPDATE (10:54 a.m.) - CAL FIRE SLO reports the fire has been knocked down but firefighters will remain on scene for another couple of hours for mop up.
The cause of the fire is under investigation.
(10:27 a.m.) - Firefighters responded to a house fire on the Arroyo Grande Mesa Tuesday morning.
The fire was reported at about 10 a.m. at a home in the 2600 block of Fowler Lane.
CAL FIRE reported that the house was fully involved in fire when the first crews arrived at the scene.
Everyone inside the home reportedly got out safely.
This is a developing story and will be updated with new information as it becomes available.