After a few years in business I started to notice that customers with raccoons in the attic or soffit problems often tended to turn up in groups. After a while this perked my interest and so I combed through my customer files and came up with a few deductions
Keeping opossums, skunks, rats, mice, etc. out of your crawlspace means sealing the entrances. Bad foundation vents are one big weak spot that lots of homes have. Learn how a quality professional keeps them out.