In this link, I've created a master spreadsheet for government information on homes. In case you're unfamiliar with Google Sheets, go to my article on the subject here. I'm unaware of any publicly available spreadsheet that can come close to being as comprehensive as this one for the task of comparing potential cities/counties in SE VA. While most of the hyperlinks & information are specific to SE VA, some of the websites have availability nationwide for other regions if agents in other areas want to create something similar.
As with most spreadsheets, this one is best viewed on a desktop or laptop rather than a mobile device. Be sure to note the tabs at the bottom of the screen, separating the following:
I. Miscellaneous Statistics
II. Maps & specific Property Details
III. Real Estate Taxes
IV. Personal Property Taxes