You also might want to check you county's web site and see if they use GIS mapmaker.
Here's the site from my county:
http://gis.hamiltontn.gov/Gis, at least in my county, lets you search by street address and shows a plot plan as well as areal views. You can zoom, measure distance and area, and tell who owns what property, when it was sold, and how much it sold for. you can scroll the map, shade streams, etc. really good software IMO.....
Not every county has it installed yet, but a lot do.
I stopped by the local tax office and a fellow was good enough to give me a 30 minute overview of how to use it.........