The United States has been a substantial increase in requirements and incentives for green development. However many states in the Southeast have  doing behind national trend. The Southeastern states  have adopted green building programs and technologies as affordable housing program  and to promote energy and water efficiency and other sustainability measures. The green developments spend 12% less on energy per square foot than non-green developments and residents of green developments use14% less energy per square foot and Green developments are nearly 5% less expensive on total construction costs per square foot and more than 13% less expensive on soft construction costs than the non-green developments.

The total operations and maintenance costs are 15% less expensive for non-green developments . Finally , it can be easily say that  majority of developers indicate that green building provide benefits in terms of quality of end product and achieving their firm’s objectives and mission affordable housing.