On a separate note has anyone tried tax defaulters data too?

I think you'll find that the data shows that the majority of people go online to find their home.

Honestly, post a craigslist ad, spread word of mouth with everyone you know and call people directly from tax data as you see fit.

I did this and could not find any forecast data by location as David suggests. 

Looking for recommendations on websites, resources, anything helpful on finding real estate and economic related data.

I like to use IPhone or Android very, very nicely because I used lot of different, like, Job titles and departments and all those special fields, guess what, I filled them all with their personal data.

According to US census data, most recent vacancy rate for area (as of 2015) was about 8% and the area's vacancy rate appears to often be higher than the national rate. 

What is your data source concerning under 1000 doors investors?

Trying to get an appraiser from the area to drive out to a property (based on data from a LONG time ago) for a "competitive price" is a miserable experience!

I would take the city at their word on the water historical data.