Snakes are excellent at a lot of things, including being incredible escape artists, swimming, blending into their surroundings, and for some snakes, even climbing.
As part of our pest control services, we often inspect all parts and levels of homes. We have found snakes and snake skins in basements, crawl spaces, inside main levels of homes, and inside of attics as well. YES, I SAID ATTICS!
Rat snakes / black snakes are excellent climbers. I have found rat snakes in attics on numerous occasions. Customers of mine have told me stories about how they were getting something out of the attic, and have come face to face with a black snake.
Some important things to know about rat snakes / black snakes: