They're particularly interested in a car seen in the area.
Gardaí are investigating the burglary of a house in Laois last night.
The incident happened in the Garryhinch area of Portarlington at about 9.30.
Gardaí are particularly interested in a dark hatchback car seen travelling at speed between Garryhinch Cross and Portnahinch.
A young, skinny man, wearing dark clothing, was seen getting into the car.
Anyone with information is asked to contact Portlaoise Garda Station on 057 867 4100.