Hi, looks interesting. How well organized were the city/county records? Did you have to do a lot of parsing and extractions from documents? Or, was the data well organized in databases or csv files?
When I went and looked at your demo I thought here could be someone who is already walking down the road toward being able to deliver a critical component of X.
If you want more details lets switch over to email. You can find one of my contact emails in my HN profile.