What is WD or QC under sales of home?I looked up land that has a house trailer on it. Under sales of home are the 3 current and previous owners; listed under instrument in that section shows either WD or QC. What do these represent?September 20 2010 - US00YesReport a ProblemProblemSelect oneOffensive contentIrrelevant contentSpam (pure self-promotion)OtherDetailsYour emailPlease enter a valid email address.Submit CancelContent flaggedWe will review this content. Thanks for helping make the site more useful to everyone. To learn more, read Zillow's Good Neighbor Policy.We're sorry. This service is temporarily unavailable. Please come back later and try again.