Where does the "construction Quality" rating come from and what is the scale?My home has a construction quality rating on Zillow and it's rated at 6. What does that mean and who determined the construction quality?October 26 2012 - Clarksville00YesReport 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.