It turns out the bank authorized the work on the house.  

P H Real Estate Holdings Inc. is direct to the authorized Sellers of a large Income producing Multifamily Residential Unit in Brooklyn, NY.

When Santa does that the worst a kid can expect is coal, but retailers and community owners can expect much worse.This article is being reprinted from the April 2014 The Finance Newsletter and was authored by employees of The Rishel Group, a national consultancy on chattel finance and seller finance.

@Geni P.Even if you find the current note holder through the Land Records and assuming that they still own the note, they will not release personal info or payment info without owner authorization.

I don't want to cause any family feuding that may lead to the use of authorities; I understand that may be necessary here.Thanks for reading! 

@Ryan Andersen the most comprehensive guide to understanding, purchasing, and operating mobile home parks is from the Mobile Home University website (coincidentally authored by Frank and his business partner who responded to you earlier - he's not a self-promoter on BP so I will happily do it).  

The author was also recently on the Passive Real State Investing podcast show 049.

I suggest these area because of the tenants usually be great quality, section 8 (government housing authority) qualifications are easy to clear.

Both have the exact same authority.  

Have you talked to the local authorities?