In response, I had a plumber and a water restoration company come to assess the situation.The restoration company cut into the drywall, and the plumber thoroughly inspected all the pipes, performed a leak test, and conducted a pressure test.

Most spend too much of their time and resources on the set up and completely ignore the day to day responsibilities and/or cut corners and costs where greater attention and resources should be spent.  

You can’t close discussions on here, but this is a clear cut case with my attorney.

By the sounds of it you are going to have your work cut out for you. 

"Not satisfied," isn't going to cut it.

It's never worth it to cut corners on permitting because it will cost you far more in the long run.

@Jason Stofer if you don't have a support structure to tap into... the unhappy answer is that there is no short cut. 

Someone has a gas stove and the new rental only has electricity; someone has a 33 in fridge and only a 30 in fridge fits; counter space is cut for slide in, not drop in; etc.

There is a range of DSCR lender underwriting policies for "1st time investors" - some don't allow it, some do with no restrictions, and some in the middle (typically cut max LTV by 5% or so and restrict against anything over 4 units)Also - check out these BiggerPockets articles for a ton of info about DSCR loans:DSCR Loans: What Are They And How To Get The Best Termshttps://www.biggerpockets.com/...DSCR Loans: How To Use Pro Strategies To Save More And Make Morehttps://www.biggerpockets.com/...Multifamily DSCR Loans: A New High-Impact Loan Option For Real Estate Investors?

There is no short cut.