There are (35) 12,000+SF properties currently listed on the Greenwich MLS. In the last 365 days there were (15) 12,000+SF  properties that have closed. Among those that have closed since September 2013: THE MOST EXPENSIVE: THE COPPER BEECH ESTATE – $120M – 13,519SF – 50+ ACRES THE LEAST EXPENSIVE: 18 PORCHUCK RD – $3,650,000 –…