Boy Scouts of America 800 Ellinwood Way, Concord, CA94523 This is the Mt. Diablo Silverado office for the Boy Scouts of America. The Scouts are a youth-based organization that…More teaches citizenship and self-reliance through outdoor activities and educational programs. Boys who are between 7 and 10 can become Cub Scouts, while boys between 11 and 17 can become Boy Scouts. There is a shop at this location where people can purchase Boy Scout uniforms, literature, flags and memorabilia.