The fire, at a mobile shower unit on Empire Polo Club grounds, was reported at. 2:06 local time, said Riverside County Fire Department. Four engines responded to the scene, close to the center of the venue.
A trailer was damaged while one second was destroyed, they said. How the fire started was not immediately clear.
Coachella started Friday with Donald Glover, as rapeseed and sings as Childish Gambino, the main line of the annual arts and music festival held over two weekends in April. Tame Impala and Ariana Grande are due respectively to headline Saturday and Sunday.
Other events include Kacey Musgraves, Blackpink, Janelle Monae, Los Tucanes De Tijuana, Bad Bunny, Khalid, Ella Mai, H.E.R. and actress Idris Elba, who is also a profound DJ.
YouTube will offer a cured live streaming of both weekends performances, a first for the video sharing site.