The inventory of available Houston area homes grew in July but prices did not reach record highs. According to the latest monthly report prepared by the Houston Association of REALTORS® (HAR), home sales rose 23.3 percent year-over-year, with contracts closing on 7,704 single-family homes. That is the highest one-month sales volume of all time, demonstrating that the insatiable appetite of home buyers shows no sign of abating. But sellers are making some moves of their own. Housing inventory ticked up from the 3.3-month supply recorded in June to 3.4 months, although that is down compared to the 5.3 months of supply in July 2012 and 3.6 months of supply at the beginning of this year.