Montgomery County Sales Market Data For July 2014 For the month of July, the combined single-family and condo/co-op sales market share to weaker performance then in July 2013. The total unit sales volume came in at 1059 properties but that was a drop of 17% from a year before the monthly sold dollar volume totaled $558,709,809 and was down over 17% from a year before. The average sold price came in at $527,582 down about $2000 from last year; but, the median price of $429,000