Exclusion is blocking holes mice get into the house through.
This is one of the most important steps to eliminate the problem totally
and I am going to show you how and a few tricks to find holes .In your basement on your sill plate is a real  common area and so is the sides of garage doors.Mice get in around pipes and wires coming into the basement check these during the day time bring a flash light for safety when you get in your basement shut the flash light off around areas where pipes wires go outside you will easily be able to see light coming in if there are small openings block these with copper mesh or steel wool .They will just chew right through foam Another problem area around garage doors the small openings on older doors check the bottom of all your exterior doors make sure theres no gap.