We tracked down the house. Zillow says the six-bedroom, 5,500 square foot New England style it is worth $3.859 million. Erin and bought it in 2005 with her then husband, Michael Thompson, for $3,930,000. In 2008, Michael transferred the house to Erin, right around the time Erin was made CFO of Lehman Brothers. Erin paid Michael $495,000, which may reflect the sale being part of their divorce, according to information compiled from Zillow and Suffolk country property records.
In October of 2008, after Lehman had collapsed, the house was listed for sale for $3,750,000. It was pulled off the market a month later, only to be put back on the market in February of 2009 for $3,950,000. A month later the price was dropped back down to $3,600,000. It was taken off the market again three months after that.
It's been off the market since June of 2009, which may mean that Erin has just decided to stay put. Maybe she's just happier in her oversized Hamptons cottage, with nothing to remind her of Wall Street except the occasional law suit or SEC inquiry.