Temecula, CA… TSA is progressing on the expansion of Pechanga Resort & Casino, which consists of three areas: Retail, Gas Station, and the RV Park. The Retail area consists of a new one-story, shell building designed to house a retail shopping center of approximately 10,500 SF. The shell has space for seven possible “future” tenants. The Gas Station is an expansion and remodel of the existing gas station food mart and includes new construction of an auto detailing building. The RV Park is a renovation of the existing RV Park and will add additional RV parking and site improvements. It.