To amend the Cooperative Forestry Assistance Act of 1978 to establish a program to provide assistance to States and nonprofit organizations to preserve suburban forest land and open space and contain suburban sprawl.

Suburban and Community Forestry and Open Space Program Act of 2005 - Amends the Cooperative Forestry Assistance Act of 1978 to establish in the Forest Service the Suburban and Community Forestry and Open Space Program, which shall provide cost-share grants to preserve private forest land, contain suburban sprawl, and support value-added forest product industries in States in which less than 25 percent of the land is owned by the United States.