Desert Diamond Casinos is planning to build West Valley Casino in Glendale. The project involves constructing a two-story, 200,000-sq-ft building at 9431 W. Northern Ave. It is being designed by JCJ Architecture, and the Penta Building Group has been selected as the general contractor. Construction is expected to start in October 2023. The project is valued at $450 million. Desert Diamond Casinos, P.O. Box 837, Sells, 85634. DR#23-00138836.