If anyone can help me or provide information, Does Thailand have a website that has records of all properties in order to show estimates, and other statistics.

http://www.rpdata.com

http://www.pricefinder.com.au

No.

I doubt that many vendors would be very keen on such a thing existing here.

Thais are not generally interested in what is past, especially once the money has been handed over. If such a registry existed, how reliable would the numbers be anyway?

Thais are not generally interested in what is past, especially once the money has been handed over. If such a registry existed, how reliable would the numbers be anyway?

exactly, AFAIK, the prices recorded at the land office are always far from reality, nobody likes to pay taxes, and would even less like to display evidence!