The other side knows that the same concerns have occurred many times in the past and what has actually played out with historical data is quite bright and inspiring, not nihilistic, helpless and dystopian.One side is rushing to tear out a perfectly fine bathroom and rebuild it from the studs out. 

This is the amount the insurance company will pay you if you will need to rebuild your property from the grounds up.The building limit is the main factor that will determine your premium.

Quotes to rebuild are from $150 to $300 per sf from builders.

bottom line, if property is on the market and no one local buys it, there is a reason for that.you will also need to rebuild a local team. 

This is one of our properties in South Florida, Deerfield Beach that Kingdom Portfolio was able to take under control and completely rebuild. 5 x apartments (4 x 1-bedrooms, 1 x studio).

Iv had My hands in Just about Every Aspect of Remodeling & Rebuilding Homes.

So, I will re-side, new roof, new front stairs, new windows, a couple dormers(to your point), build out a basement bonus room, and gut and rebuild the other unit all for under 300K?  

Overall found that with me being the do-it-all investor and contractor my "days to complete" is my biggest holdback, with this realized I found that I do best on homes that I do not complete super extesive house "rebuilds" even though these have been my biggest paydays.     

Is there a moratorium against tear down and rebuild?

@Mindy Jensen What I would try to put in is the cost to rebuild the entire structure.