If you look around Mirror Park (which is Echo Park in the real world) you can find Dom Toretto's house. See a picture of the house below.
See if you can find it in the game, then post a picture on the game map of it's location in this topic.
I say bullshit that this only applies to XBOX and PS3 players. What about PC players like myself, huh? Bt the time the PC version comes out, the one month window will be gone. Come on, Rockstar, be fair!