The numbers for single family home sales in 2011 are in from the Greenwich Multiple listing service. As you may have read, the “new home” sales for 2011 in the national market was the worst seen since the 1960s. Not great news for the housing market around the country; but if you drive around Greenwich you will see there are now a few spec houses being built which is always a good sign. Greenwich also did well in existing home sales in 2011. Volume was up over the last 3 years with 524 single family homes sold compared to 482 in 2010 and 333 in 2009. Average sale price was...