Damage was done to one of the houses.
Gardaí are investigating two burglaries in Offaly.
The rear door and window of a house were smashed during a break in at a house at Clonmore Lane in Edenderry, between midnight and 11am on Sunday.
Gardaí were also called to the same address after a report of a fire at 7 o'clock that evening.
Meanwhile, cash was taken from a home in Chancery Park Way, Tullamore on Friday between lunchtime and 11pm.
No damage was caused to that property.
Anyone who saw anything suspicious is asked to contact Edenderry or Tullamore Garda Stations.