The current credits also increase the income limits, enabling single taxpayers with incomes up to $125,000 and married couples earning up to $225,000 to potentially qualify for a full credit.

NAHB's Web site at federalhousingtaxcredit.com, which has received more than 6.5 million visitors since the site launched, provides basic information about the credits, detailed question and answer sections, and links to additional home-buying resources for consumers.

"If you've been considering buying a home for any reason, the home buyer tax credit, in addition to historically low interest rates and competitive home prices, make it an ideal time to buy," said Jones.