They form part of their identity, sometimes a very large part, around it.

IF so, collecting it may be considered fraud. 

Verified identity is required to book, Failure to do so may result in your booking being canceled without refund.2. 

Just look at identical units (in same condition) that have sold recently. 

The right approach is as much art as science.Look for sold homes (no active listings, because you don't know what they'll sell for) that are as close to identical as possible in:- Age.- Location. 

Older tenant has had her identity stolen and is hesitant with some aspects of application process but is willing to provide references, credit reports and letters from past landlords.

The unit above us had identical cracks.

From what i can tell their almost identical, the comp having a added walk out basement with ingress and egress and a garage it looks like.

I'd start by telling the title company that you have been defrauded and that recording the deed will cement that fraud in place. 

One of you is committing fraud.