Originally Posted by sundizz
So stay in a hostel for a week and meet with people in person? You can easily meet with 1 to 4 people a day and should have no problem finding a compatible place/person in a week.
This was going to be my suggestion. Also OP, if you find a place outside of Portland, you should find a place significantly cheaper than places in SoCal so you can go without a roommate if you'd like.