When it became apparent that the shale oil and gas fields were likely to happen, several of us went together to use modular - not HUD Code - structures on floating foundations to build a sort of mobile home park.

See if you can get a list of addresses based on the area and/or zip code on their tax roll.

On Zillow you can set it so you are looking for an exact bedroom bathroom matches, within the same zip code and set a 6 month look back on what sold.

This Property is not up to the building codes.

If you're looking for data on specific zip codes/towns check out a website called city-data

The bedrooms have egress windows-that is the code.

I am told it is not up to code.

@Joshua Dickman do you know where the federal tax credit is applied in the tax code?  

These issues are often bought up in opposition to granting zoning variances.I had run into these problems and employed the use of "expeditors" who are often architects by trade, but not a requirement, and would help if they know local zoning officials who has their own unwritten rules unavailable to the public.It was many years that I used them, but they charged $150 to do a walk through back then and go into building codes as well as zoning issues.

or even know where to start for these types of repairs. this in 46222 zip code