We all know the 2 inch'ish in diameter size piping doesn't go to large scale buildings and the reservoir feeding the water is supposed to be the clean one to this part of town..... or do we. 

At 10 AM the constable was supposed to show up and I scheduled the locksmith to arrive as well to rekey the locks. 

I guess anything is possible but all you can do is go off datasets and I suppose you can talk yourself out of any deal.

As the property owner, what are we supposed to do to really know whether things like this is permitted? 

TA is supposed to be renewable every year so long as you maintain good grades.

He is resisting because he is building a house that is supposed to be done in December.

Maybe the tenant didn't pay this month's rent because he's not suppose to be there; that would explain why you don't have a lease or security deposit for the unit. 

Some very good points, I hadn't thought through why they would stop building, could be anything I suppose.

I live in downtown Chicago and have my neighbor directly above me who has had two different plumbers come out and advise him supposedly that his P trap under his tub needs to be repaired as it is leaking into a unit below.

Tenant was supposed to close on another property on 8/31/19 but due to the hurricane that closing was delayed so tenant asked to be able to stay in the property until 9/6/19 (which is the updated closing date).