Charitable Giving Act of 2005

Charitable Giving Act of 2005 - Amends the Internal Revenue Code with respect to charitable giving and charitable organizations to: (1) allow individuals who do not itemize a deduction from gross income for a portion of their charitable contributions; (2) allow tax-free distributions from individual retirement accounts for charitable purposes; (3) increase the cap on corporate charitable contributions; (4) allow non-corporate taxpayers a tax deduction for charitable contributions of food inventory; (5) revise certain excise taxes related to private foundations; (6) modify the excise tax on unrelated business taxable income of charitable remainder trusts; (7) extend and expand the charitable contribution for scientific property used for research and for computer technology and equipment used for educational purposes; (8) adjust the basis of S corporation stock for certain charitable contributions; (9) revise church tax inquiry provisions; and (10) exclude from gross income certain landowner initiatives programs to conserve endangered habitats or species.

Amends title IV of the Social Security Act to: (1) authorize the Secretary of Health and Human Services to make grants to any private entity that operates a promising social services program (as defined by this Act): and (2) restore the 10 percent limit on transfers to the Social Services Block Grant Program.

Amends the Assets for Independence Act to reauthorize the assets for independence demonstration program through FY2008.

Expresses the sense of Congress encouraging corporate contributions to faith-based organizations.

Amends the Runaway and Homeless Youth Act to include maternity group homes within the program for transitional living youth projects for homeless youth.