I’m not an egg fan. It’s really one of the only foods that I dislike, so I’ve never ordered omurice in LA, but I do know that CoCo Ichibanya and JiST Cafe also serve it.
CoCo Ichibanya serves the curry version, as opposed to the ketchup-intensive, traditional version. They have locations in Torrance, Brentwood, Irvine, and Koreatown. Here’s a link to their locations in SoCal: http://www.ichibanyausa.com/location/.
JiST Cafe’s porky omurice is the demi glace topped iteration. Here’s the link to their website: http://jistcafe.com/menu/.
Also, you may want to check out omurice in Koreatown. Perhaps some of the Koreatown experts on the board can make some good suggestions for you.
Lastly, omurice is one of the staples of Japanese comfort food - often found in low-key restaurants or cooked at home for children. You might want to try cooking it yourself, if you don’t find a really great version in LA. Here are some recipes from my favorite cooking channels:
Okay, I promise this is it. Here’s one of my favorite clips from the movie Tampopo: