Why is 19 Erwin Court Staten Island, New York 10306 Price Estimate listed twice for different $Zillow has a duplicate listing for the above address. One listing quotes a estimated price of $447,000, the other quotes a estimate price of $377,000. The first listing is the correct. Can you please correct your records?March 06 2013 - Richmond Town00YesReport 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.