Help With Finding Site To Compare Market Value Of Properties

[Khang Le]

I need help finding the right site to figure out property value and running comps.....If you know of any good site, please help...

I'm finding all these deal, but having trouble figure out if the deal is good or not...I usually go off of Zillow, but i also understand that Zillow sometimes can be very wrong....Please help if you have any good site to recommend....

Thanks A Millions! Khang