... and just a quick postscript in case I wasn't clear: You should be doing your own IRR/MIRR based on your own reconstruction of the data.

Out of the remaining 8:  2 didn't pay or communicate, 2 are on furlough and paid half,  3 paid in full and 1 unit is in the middle of reconstruction from a fire.   

You need to validate and reconstruct it.  

The estimated cost of the entire Silver Line and finalized design plans will likely be presented after 2024.Alignment of light railOn the Gaston County side, the Silver Line would start near the intersection of Park Street and Wilkinson Boulevard – in the area formerly occupied by Sub Corral -- continue along the north side of Wilkinson Boulevard and cross the Catawba River.The Silver Line would cross Browntown Road, Crest Drive, Wallace Avenue, Priscilla Street, Patterson Street and Hazeline Avenue in Belmont, and would not require the reconstruction of Wilkinson Boulevard.CATS wants your input on the LYNX Silver Line project:Express your thoughts and questions on the LYNX Silver Line project by either taking a survey or contacting the project team.

(They are often damaged too) What is the cost for demo, then reconstruction (get actual bids) In regard to permit fees, many areas give credit back on fees for burned homes, ask if yours does. 

If you undertake a total renovation, or “flip”, you’ll have pretty significant reconstruction costs.

A real property trade or business is a trade or business that does any of the following with real property.Develops or redevelops it.Constructs or reconstructs it.Acquires it.Converts it.Rents or leases it.Operates or manages it.Brokers it.http://www.irs.gov/publications/p925/ar02.html#en_US_2012_publink1000104591

Flashings shall be reconstructed in accordance with approved manufacturer's installation instructions.

Given the industry that I am in, I have a large list of subcontractors, asbestos abatement contractors, and other connections for reconstruction.

While it may be correct that houses from the 1900's and 1920's may require extensive reconstruction and structural design due to its substandard or deteriorated condition, the philosophy for some Realtors/investors is 'the older the property, the better'.