Northern Virginia's housing market saw a 19.6% rise in active listings in July, driven by a 41.1% increase in condos and 33.0% in attached homes, while detached home inventory fell 2.5%. Months of supply rose to 2.13, with average market time at 21 days and median price slightly down to $750,000. Loudoun County showed a 7.4% price increase to $813,000 despite flat sales. Inventory growth varies by property type, affecting buyer options and seller strategies.