I thought the standard waiting period after a foreclosure is 1 year for FHA *if* you can demonstrate it was due to a job loss (or similar), but otherwise it's 3 years for FHA and 7 for conventional. So, although the process in OR is the same as CA, whether you can buy 2 yrs after your foreclosure depends really on whether you had a job loss. And, even if you qualify for FHA, if you don't have 20% down you have to keep in mind you will pay a high mortgage insurance for the life of the loan.
Just my $0.02. I'm not a professional.