The first-time buyer tax credit also is benefiting the market. “Strong activity by entry level buyers is helping to absorb inventory and allow some existing owners to make a trade,” Yun said.

Existing-home sales should trend up through the end of the year, with normal local market differences. “The big question is how much the appraisal issue will impact the ability of contracts to go to closing,” Yun said. “We are currently conducting a study to assess the degree to which new appraisal rules are impacting home sales.”