Originally Posted by
darthbimmer
I've been through SFO immigrations & customs a few dozen times-- as a US citizen, though, not a foreigner. I'm surprised at your estimate of 90-120 minutes. I would have guessed 60-75 for a non-citizen, especially for travelers who have all their paperwork in order.
As Eastbay1K said, I was including the additional time to get out to the car rental center, not just getting through immigration and customs.