DealMachine can tell you when a property was last sold.
That's useful because if a property was recently sold, the owner probably doesn't need to sell and you may not want to spend time or effort reaching out to the owner.
Simply add a deal in DealMachine.
Scroll down until you see "Sale Date".
Note: if you don't see any sale information for this deal, we were not able to gather any info for this particular deal. Try adding another deal!