This looks like a lot of options to me: http://www.fullerton.edu/housing/apartments.htm

And Craig's list, Orange County - Fullerton - All Housing
http://orangecounty.craigslist.org/search/hhh?query=fullerton%20

They've got bachelor pads for around $1000, which is a little pricey to me

but if you find a room mate, you can get a 2 bedroom for around $750 each.
http://orangecounty.craigslist.org/apa/1142873465.html (preeettty)

Here's a room for rent- no need to search for a roomie.
http://orangecounty.craigslist.org/roo/1143605211.html

Newly Renovated, 5 min to Disneyland Lol
http://orangecounty.craigslist.org/roo/1143592160.html

Private bathroom.
http://orangecounty.craigslist.org/roo/1143562145.html

Ah there's tons of listings! This is waaay more hits than I got when I moved to burbank. I'd skip Residence for sure.