Total real estate sales in Boulder County, Colorado were down 10% in the first quarter of 2011 compared to the previous year, which was expected due to an expiring tax credit in 2010 that boosted early sales. Housing inventory remained low despite lower sales. The percentage of homes under contract remained strong, indicating good market activity. The document provides an overview of the Boulder County real estate market in the first quarter of 2011 from Neil Kearney of Kearney Realty Co.