If they say "No" then ask them to support that with documentation to avoid a boiler plate response. 

What made you interested in investing in this type of deal?

Here is a great resource. https://www.areavibes.com/They give you a total livability score and you can type any address in 

Depending on the type of replacement cost (functional, common construction, etc.) you may or may not be able to get reimbursed or replace with the exact materials that were there before. 

LTRs do not face those types of situations. 

However, I’m not sure how to accurately determine its value, given the configuration and the fact that it’s not fully rented.My Concerns:Determining Value: How should I calculate the fair market value for this type of property?

I'd say start the process of securing your HELOC if you havn't done so and spend time analyzing deals and determining what type of investor you are looking to be. 

What type of loan are you in the market for ? 

That probably in most cases for me, will result in a delay between the time you call and the time we can prepare that document, get it to you to review and sign, and then schedule a showing. 

Right now there's huge concentration, but as this continues to build out and we see north of the high 30s GW by 10 years from now it'll be almost a requirement to keep some type of locality based risk assessment and to diversify.