Another option could be exporting your data to a spreadsheet for manual adjustments.

Even if you don't use their dynamic pricing tool, al least it has decent data for you to get a better overview of the market, your compset and market trends.

do you need help obtaining the data you are talking about?  

What is your expected appreciation and what is the data to back that up (e.g. how confident are you in you answer)?

Use online tools like Google Street View, neighborhood data sites, and even local Facebook groups to get a feel for the area.

Investing is different from speculating, in that it’s data driven and therefor predictable and you have factors that play in that covers your downside and strengthen your chance of upside. 

I need to source the data myself, run the numbers, check the calculations, eventually build my own custom spreadsheet etc. 

My assumption is that the majority of those were subsequently insured with Cal 'Safe' but I have no data to confirm that.

Sullivan shares data on America’s Affordable Housing Crisis.

I would recommend keeping all of the data in one sheet and using filters to narrow down.