How to find prior sales values (?)
I am curious how to hunt down past/recent sales values on certain specific buildings. Is there a simple way to do this, or is it pretty restrictive? 

Thanks in advance.
[{"id": "czle0yu", "text": "CoStar / Real Capital Analytics", "replies": [], "depth": 1}, {"id": "czlh551", "text": "Your city's property appraiser website should have that information available for the most part. ", "replies": [{"id": "czljx3z", "text": "Start here op.  This one is free", "replies": [{"id": "czloog4", "text": "Whatever county the property is in ... that tax assessor's office.", "replies": [], "depth": 3}], "depth": 2}], "depth": 1}, {"id": "czlj1le", "text": "Pull out your wallet friend. Check on comp data providers RCA, REIS, Co-Star, Loopnet. Exceligent (CDX) &amp; PropspectNow may have some sales data as well.", "replies": [], "depth": 1}]