Is it Land, Office, Farm, Retail  Commercial property is extremely broadYou can evaluate without comps as you can use income and re construction cost.. 

Now offices with white collar people.... different story. 

The boots on the ground seems to be more accurate than the folks sitting in offices coming up w this data. 

Different banks equals different loan officers means different thing can be done.

To make matters more confusing, my county's assessors office, Cook County, stated that the building was a 4 unit.

I live in a tri-level home with the modem on the bottom floor and my wife's office is in the far corner on the main floor and my office is on the top floor on the opposite side of the house from my wife's office.

We also have team meetings every Monday Morning at our downtown office.

You could also try title companies, trying to be on an escrow officers team.

What else can I do besides contact tax assessors office for more information?

The local loan officers that I am working with are saying that they do not close loans in an LLC name, and they can switch the title in the name of the LLC after we close.