Here is a link to property tax rates for 2014:
http://www.revenue.nh.gov/mun-prop/m...2014-local.pdf
You should also factor in the differing costs of a town's:
1. Cable Provider
2. Electricity Provider
3. Phone company
4. Town or City water costs vs. well
5. Food costs, etc.
6. What percentage does the town or city assess at
I hope this helps you a bit.