Police are investigating a deliberately lit house fire in Baldivis.
Firefighters were called out to the blaze on Starflame Road around 8pm last night.
The fire caused an estimated $40,000 damage.
Rockingham Detectives are appealing for anyone with information in relation to this fire to call Crime Stoppers on 1800 333 000 or make a report online at crimestoppers.com.au.
Rewards of up to $50,000 are available for information that leads to the apprehension and subsequent conviction of an arsonist.