We recently had a case where we contacted the Chicago public health department and they were instrumental in intervention and supportive in our efforts to have the tenant notified that the unit be cleaned or vacated. 

I have not done it myself, but I think it is a great idea for a bunch of reasons... just make sure your LLCs are squeaky clean.  

Those wood floors may clean up with a refinish...

I am trying to establish a working relationship with some agents in the area with the hope that they have some clients or know somebody who wants to sell.  

The tenants have done surprisingly well to keep it clean.

He owns a few rentals in Marion County and is an established agent in the area.

A tenant is moving out and I think I'm to the point where the process of cleaning and sealing the floors would be difficult or impossible. 

It is possible you can avoid dealer status and demonstrate investment intent, but not likely if you establish and maintain a pattern of flipping homes.

I have not cashed it because I want to keep my books clean and not have any "business" money in my personal checking account.  

If the LLC did not own the properties, did not actually spend the money for the expenses or accept rents then you should claim the expenses  under your own name.If the money ran through the LLC then the LLC would claim both the income and expenses.If it was some combination of the two then you have a bit of a mess to clean up.