WHY IS MY HOUSE SO LOW COMPARED TO OTHER SITES?I LIVE AT 576 1ST AVE, SAN BRUNO CA HOWEVER ZILLOW IS SO UNDER PRICED COMPARED TO OTHER SITES. i HAVE HAD AN MARKET APPRAISAL DONE BY REAL ESTATE PROFESSIONAL.December 10 2012 - San Bruno00YesReport 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.