The Los Angeles County Fair Is Officially Open Posted on August 30, 2014 by Los Angeles 1 Los Angeles Los Angeles News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: It’s the official end of summer but the start of the LA County Fair. The Fair runs though September 28. Brittney Hopper reports. 1 Los Angeles Los Angeles News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: