I also would not assume the second cat,  the humane society could have denied them on your response (and they could be annoyed about this). 

That being said, if you're really that concerned and don't feel like having a confrontation you could always let him fill out an application and then deny him.

., their request can be denied on that basis, as well as the others already mentioned.So, it's not a slam dunk.

I have spoken to her about additional occupants before, but she outright denies that there are any other occupants there.

And denying him the right to chop down the oleanders will destroy his flower shop business?

. - those are good suggestions, I was thinking about promoting it as 2 bedroom +bonus room; or 2 bedrooms + den. I

., they cannot deny service because the previous occupant left a bill. 

If they sounded drunk or crazy or were screaming at their kids or calling me from a loud party, I made a note in a notebook as to why they were denied, and I didn't call them back.When I was ready, I'd sit down with my notebook and call them back in order received.  

"I'm sorry, but my credit check service said you are denied."  

Never deny an applicant.