Very accomodating and affordable
My girlfriend and I stayed at the Grant Plaza for 6 nights at the end of May of 2012. We're from NYC, so we immediately like this place because it is located right smack in the middle of downtown SF, where all the action is. The staff went above and beyond to make us feel at home. Upon our request, they were nice enough to move us to a larger room with more sunlight that over looked Grant street. They didn't have to, but they did. With our rental car, parking was never an issue. There is a parking garage conveniently located around the block. Since we were guests at the Grant Plaza, we were able to get a discount.
Our room was cozy, clean and well lit by the sunlight. The decor is slightly dated, but for the rate we paid, we weren't expecting the Ritz. The building itself is beautiful and has that typical old fashioned San Fran feel to it. When we checked out, Theo (the manager), told me that they're in the process of renovating their rooms. That's great! We can't wait to go back! All and all I would (obviously) recommend this hotel.