Listings are either: individually entered by agents, fed to Trulia in an XML format by real estate firms (or other aggregators) or screen scraped by Trulia. They also I think have deals with some MLSs to bulk send them listings for member firms.
Off topic, but Street Easy kicks serious butt. If anyone living in NYC is ever looking for a place to buy/rent, start there. I don't work for the company, I'm just an avid fan and frequent user. And I recommend it to everyone I know.
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[ 4.6 ms ] story [ 14.9 ms ] threadListings are either: individually entered by agents, fed to Trulia in an XML format by real estate firms (or other aggregators) or screen scraped by Trulia. They also I think have deals with some MLSs to bulk send them listings for member firms.
I work for http://www.streeteasy.com we do this for NYC.