Except that the cost of housing isn’t what you are likely to pay as a freshman. The listed cost is $18,369 but a classic triple 14P was $14,500 this year, probably around $15K next year (which is plenty of food).
And for most people there’s no need to spend what is listed for books, while travel is very variable but not likely to be high for SoCal. It is accurate to say that most freshmen will not pay much more than $30K for tuition, room and board. But if/when you move off campus or get a nicer room, the costs will go up. Renting a shared apartment near campus will cost more like $20K-$22K per year including food.