In a specific city near you or area of interest how much solar, green contribute to home values? 

Usually, the borrower must "qualify" in order to assume the loan.assumptionThe term applied when a buyer assumes the seller's mortgage.balloon mortgageA mortgage loan that requires the remaining principal balance be paid at a specific point in time.

@Evan Gross if you ever need a specific "thing" in your state then Bigger Pockets has a New Jersey forum that you can post in. 

I only like these tighter profit deals if the house is newer and needs specific renovation items that are easy to calculate. 

It is much more reliable to look on the district’s website and search by a specific address.

FYI: Now that the LO comp rule is in effect it's illegal for a lender to get paid more or less depending on your specific interest rate, so there's no reason not to get you the best rate out there among alt-doc loan programs, if that makes sense, meaning you're not exposing yourself to predatory behavior by being upfront about not being rate sensitive, like you would have been had you said that in 2006.

I would research his cases to understand what he "specifically" did.  

Anywhere in Naperville or in a specific area?

While Boulder specifically might be out of your range there are some other spots close enough to make it work.

They may have a market or two that are eager to insure a specific area and have much lower rates than the others.