El Capitan Reservoir, forcibly purchased from the two tribes to provide water for San Diego, submerged what habitable land existed on the reservation.

Their current administration as of March 2021 is as follows: The tribe owns and operates Viejas Casino, Grove Steakhouse, Far East Winds, Mezz Deli, Daisy's Cafe, Harvest Buffet, V Lounge, DreamCatcher Lounge, and the 57-store Viejas Outlet Center.

Viejas Entertainment hosts concerts in a 1,500-seat outdoor arena and also promotes talent to casinos throughout the country.

[7] The tribe owns 50 percent of the Broadcast Company of the Americas, which operates a sports talk station, The Mighty 1090-AM in San Diego.

[7] The tribe paid San Diego State University $6 million for naming rights to Viejas Arena.