The Way Side Inn Thrift Shop and Costume Rental is a retail outlet selling pre-owned clothing, toys, house wares, collectibles, linens and books. The shop is owned and managed by the members of the Assistance League of Diablo Valley, which is a nonprofit organization. All earnings from the shop are utilized for various social service projects undertaken by the organization. The shop also provides costume rental services for occasions, such as Halloween parties, plays and social gatherings. It offers costumes under various categories that include animals and produce, dance hall, American, Victorian and Renaissance eras. The Assistance League of Diablo Valley organizes philanthropic projects, such as educational programs, clothing, holiday parties and scholarships for children in need. The Way Side Inn Thrift Shop and Costume Rental is located in Lafayette, Calif., and started operations in 1978.