Listing inventory for the Fairfield County housing market slipped to the second lowest second quarter total in a decade, as housing prices showed mixed results. There were 7,721 listings at the end of the second quarter, down 2% from the prior year quarter. Even though condos only accounted for 23.3% of countywide sales, the 23.9% drop in their supply to 1,221 units pulled overall inventory lower. Single family inventory edged 3.6% higher to 6,500 units. There were 2,851 sales in the second quarter, up 6.2% from the prior year quarter. The absorption period, the number of months to sell all listings at the current rate of sales, fell 8% to 8.1 months, the fastest second quarter market pace in a decade…