How are rent rent estimates derived? How accurate and reliable are they.My mother passed away in 2004 and left us 4 siblings 2 rental properties (attached houses. These have been managed by my sister, who lives nearby. I live in Boston. I have asked about the general maintenace costs of the property and amount of the rental income, but continue to get no response. I am about to make a trip to find out first hand from the tenants what they are paying in rent. So,is your estimate fairly accurate, how often is it updated (when was last time estimate was updated) and is the estimate reliableFebruary 08 2012 - Borough Park00YesReport 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.