Cat Pee Smell REMOVAL. How to clean cat urine smell. If your house smells like cat pee, your rental house smells or apartment smells like pee and you need to get pet urine smell out of carpet - Try this! Cat peed on carpet, bed, mattress, couch or your clothes? Cat spraying in the house? Need to remove cat spray smell and get that cat pee smell OUT of your house? This homemade cat pee cleaner is my home remedies to clean cat urine from carpet, couch clothes etc. baking soda for carpet odors