There will also be closing costs to refinancing into DSCR.Lenders need 6 months to refinance a loan, anything sooner, you're probably paying a good amount of points / DSCR has to be rock solid.There also may be additional costs in maintaining your property.

So your additional ~240 SF could be the foyer, hallway and bathroom spaces that are allocated by percentage to the unit.

I know in residential lending you can get a HELOC to borrow a down payment to buy another property. Does this exist in the commercial realm? Current value of paid off property is roughly 350k , looking to borrow 75k-1...

This money will be used to pay down some debt I have and also purchase 1-2 additional rental properties.  

It would benefit a lot if you are able to obtain US credit, US LLC and US Bank Account.

Most of our newer investors approach 2-3 lenders to discuss loan options.Some lenders recommend making your financing inquiries within a 45-day time period to avoid larger drops in your credit scores.All the best!

Sorry one additional item I hit post too soon...The reason I asked about TIA is because you generally want to get a contractors opinion of cost prior to lease during that negotiating phase so you know how much that TIA covers and what you'll be coming out of pocket for.  

Additionally, interest-bearing accounts may be mandated in certain jurisdictions, so it's important to check local regulations to ensure you're handling deposits correctly.

However, in most markets I would assume an additional full bathroom would not only command higher rent, but would increase the equity and appreciation.

I am simply trying to offer a solution that is fair to both parties that allows the property to stay in the family.The biggest problem is they are having trouble refinancing the property due to credit balances.