They then made off with a number of valuable items and two vehicles, which were parked in the garage, Boksburg Advertiser reports.
No shots were fired, and no injuries were reported, police are investigating a case of house robbery.
In another house robbery, four armed men, driving a white Mercedes-Benz, robbed a Sunward Park couple of belongings worth about R120 000.
The victims, a husband and wife, had just arrived home from a gymnasium when the robbers held them at gunpoint and tied them up inside the house.
READ MORE: Another Gateway store robbed by armed gang
The thugs stole valuables including a TV, jewellery, handbags, cellphones and an iPad.
Boksburg police are also looking for a gunman who shot an Angelo informal settlement man on March 18.
The victim was rushed to Tambo Memorial Hospital, where he later died from his injuries.
A case of murder has been opened, and no arrests have been made in any of the cases.
Anyone with information regarding the suspects involved in these house robberies is asked to contact the Boksburg police on 011 841 6800/6845/6844.
– Caxton News Service
For more news your way, follow The Citizen on Facebook and Twitter.
Download our app and read this and other great stories on the move. Available for Android and iOS.