Strong scents such as peppermint and ammonia are known to naturally repel mice - even moth balls and fabric softener sheets can help to keep those pesky rodents away. However, if the situation gets out of hand, we recommend hiring a home service pro to take care of it right away.
Low and behold I saw signs of movement in the garage boxes knocked over garbage area. Went to take recycling out and saw a possum laying beside garbage just looking at me!! Neighbour tried to coax it out without success....