Does it normally cost a fee to use the county assessors website?

From this data, you can utilize a website bestplaces.net that will give you a breakdown of the percentage of homes that sold, in various price ranges, for a given zip code.

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It seems you have already discovered how useful of a source this website can be!

I made my own font on that website, and it was so easy.

Either way, like others have said, there are tons of resources on this website/blog...so get digging and have fun with the rest of us...!

From this data, you can utilize a website bestplaces.net that will give you a breakdown of the percentage of homes that sold, in various price ranges, for a given zip code.

This is a great website with a lot of information, I'm sure you'll gain a lot of knowledge here. 

I created web sites for property managers for a while and they readily available.

But I have a sense that this may be a fair asking price.I would normally also probably go to things like rentometer, apartments.com, zillow, and not sure what other sites to see if what the listing says about $500/month is normal for that area.I'd probably then double-check to validate with the county website to verify taxes have been paid.And I would certainly want to touch base with the listing agent/owner to understand if they could supply a rent roll, utility costs, better understanding of who pays for what, how long the leases are good through, if any new CapEx-related equipment was purchased recently (or how old this stuff is).