Neutered Male Cat Spraying In House. One wash usually won't do. The short answer to this question is:
Male cats can be exposed to stress. The reason for this behavior can vary. He is feeling that his territory is being threatened because of the new situation and the other cats.
Can Neutered Cats Still Spray. While you find the behavior frustrating and offensive, your cat thinks it’s perfectly normal. Can male cats spray if they are neutered?
Start out with a trip to the vet. You might be surprised to learn that female cats have been known to spray too. So, in theory, a female cat would be much less likely to spray than a male cat.