The men are described as of medium build, dark skinned and between 2 and 35 years old.
A police spokesperson said about 11pm on Monday, March 3, the three males forced their way into a house on Seaforth Avenue in Gosnells and stole a wallet.
An hour later, they broke into another home, on Nicholson Road in Lynwood, and stole another wallet.
Fifteen minutes later, the men entered a house on Mark Mackillop Glen in Queens Park and stole a vehicle, which was parked in the driveway.
On Wednesday, March 5, the three attacked a male pedestrian, on Spencer Road in Thornlie, before stealing his backpack.
During each of the incidents, the three men were seen arriving and departing in a dark-coloured Ford Falcon XR6 with yellow number plates.
Police have released CCTV images of three men, which they believe can assist them with their inquiries.
If you know the identity of these people or have any information about this offence, make a report online or call Crime Stoppers on 1800 333 000.