Nonprofits can also rent space to sell food to raise funds, according to the release.
This year's Summerfest is opening a day earlier than usual for a preview, and visitors can enjoy carnival rides for $1.
Summerfest provides entertainment for all ages, from carnival rides, games and food to a classic car and truck show. Last year's event attracted 23,000 people, the release said.
This year's Summerfest hours are 5 to 10 p.m. June 9, 5 to 11 p.m. June 10, 11 a.m. to 11 p.m. June 11, and noon to 9 p.m. June 12.
Summerfest is presented by the Fountain Valley Recreation and Community Services Division.
To rent a space or for more information, go to http://www.fvsummerfest.com or call (714) 839-8611.