I am already over-leveraged into the project with LOC's and such, therefore I am looking for ideas for other sources of cash to supplement my current rehab loan to be able to get me across the finish line. 

The property is rented out to section 8 tenants for a total of $4700 currently.

You do not own the home so you cannot use its equity instead you are borrowing money based off of the current owners sale price.Using the same banks/lenders Heloc in some cases can be fine since its attached to another home.

He's stating his professional opinion being one of the people who does this for a living at a high level.You've also mentioned E&O insurance earlier. 

I live in Texas and I'd never do it.  

Very short-lived posts because the OP gets paid off.  

Realtor.com puts the property estimate at 287k, Zillow at 255k for the current values. 

Shouldn’t they be evaluating my current risk? 

But right now, i currently own a SF in KY and am house hacking a duplex in round rock Texas.

Many years prior to her passing she moved out of the home to live with another family and the home sat vacant for a very long time without anyone checking on it.