UPDATE 11.49am: Police are investigating a fire at a Koumala farm that has damaged sheds and some farm machinery.
One of the sheds may have been used for accommodation.
According to police, the residents returned home to the farm and noticed the fire.
Acting city patrol inspector Adrian Rieck said fire investigators and Sarina CIB were at the scene.
"At this stage a number of sheds and some machinery... have been damaged by fire," Acting Insp Rieck said.
He said some motor vehicles may have been stolen from the property during the fire, or just before the fire.
Fire crews responded to the house fire on Lallys Rd about 5pm on Thursday.
UPDATE 9.20am: POLICE have set up a crime scene at a property in Koumala, after a suspicious fire destroyed a home on a property on Thursday.
A spokeswoman for the Queensland Ambulance Service said the occupants were not inside the house and did not need assessing or transportation.
A fire investigator arrived at the property about 9am.
Fire crew responded to the house fire on Lallys Rd about 5pm on Thursday.
Police are currently on scene and investigating what caused the blaze.
POLICE will today head to a rural property in Koumala that was reportedly deliberately lit after being robbed on Thursday.
A Queensland police spokesperson said there would be an investigation this morning to ascertain what happened to the property.
Mackay region fire crews attended the house fire about 5pm on Thursday at Lallys Rd, Koumala.
A QFES spokeswoman said she didn't believe there was much left of the house.
A CRIME scene has been established at a rural property south of Mackay, after it was believed to have been deliberately set alight tonight.
Mackay region crews attended the fire about 5pm tonight at Lallys Rd, Koumala.
Initial reports suggest a robbery has taken place, with the fire deliberately lit but this is yet to be confirmed by Queensland Police.
A Queensland Fire and Emergency Services spokeswoman said she "doesn't believe there's much left" of the house, but that the fire had been extinguished.
A Queensland Ambulance Services spokeswoman confirmed that ambulance crews attended but were not required to treat anyone for injuries.