Expanding Building Efficiency Incentives Act of 2009 - Amends the Internal Revenue Code to: (1) increase and extend for three years the new energy efficient home tax credit; (2) increase the rate of the tax deduction for energy efficient commercial buildings; (3) allow a $200 tax credit through 2011 for the cost of a home energy rating; and (4) allow a $500 tax credit for the cost of training and certifying home performance auditors to conduct home energy ratings.