Here the river flows through the Hells Canyon National Recreation Area and forms the boundary between Idaho and Oregon. The 652,488-acre recreation area includes the nearly 215,000-acre Wells Canyon Wilderness with the Snake River flowing through and adjacent to it.
According to Remodeling Magazine, a 200-square foot sunroom addition with footings and slabs-on-grade foundation can cost up to $70,000, while a survey conducted on HomeAdvisor.com found the average cost on sunroom additions ran around $16,315.
Average Sunroom Cost. The $73,546 price tag calculated by Remodeling Magazine includes a standard 200-square-foot addition, including new footers, foundation and walls. It also includes the cost of all glass and framing as well as operable roof glazing to allow for ventilation.unrooms and Home Value. The average sunroom addition boosts home value by 51.7 percent, adding $38,011 to the value of the home, according to Remodeling Magazine. Homes in some regions may experience a smaller value boost while those in high cost-of-living areas may enjoy a larger boost.