If he chooses not to then you can't be blamed for keeping him in a dangerous situation.I would also call the neighborhood police precinct yourself and talk to them about the situation, if you haven't already.

Now, I know that some of these authorities can be quite irrational (my city holding the dubious distinction of being THE prime example!)

have the renter pay for the first $100 of any repairsIf the repair is under $100 - they should find a repairman and fix it themselves.I think this is quite dangerous to your property.  

Today, I have the distinct pleasure to be fully hands on with a highly organized and sophisticated organization.

SIX years is getting dangerously close, in most states, to a property being offered up at a "tax deed auction".  

The time I did win I ended up with the distinct impression that the "bidding" was totally manipulated by auction.com and that I was the only bidder.   

This is an important distinction.

My real question:  Perspective tenant has service animal that is a "dangerous breed".

Tenant shall not keep on the Premises any item of a dangerous, flammable or explosive character that might unreasonably increase the danger of fire or explosion on the Premises or that might be considered hazardous or extra hazardous by any responsible insurance company.13.

@Angela Abe As you do your research, it's important to note that there are 2 distinct account-structures that are referred to as "self-directed."