Of course it does, until it is cleaned up. After a retic bowel movement my whole house may end up stinking.
Now that said, it's not as bad as walking into a home with a cat litter box but the furry felines have also used the carpet, walls, furniture...
Note: if your snake's urine or feces suddenly starts to smell really rank and there hasn't been a change in feeder types, that can indicate a problem with the internal organs and you should take it to a vet.