I live in the bay area, so no. You'd think they were on every corner from all of the righteous indignation about this place, though. Maybe some bumper stickers when I visit nor cal, but I don't think I've specifically ever seen a MAGA one.
You all are the biggest group of pussies on the internet. One of you called the cops on someone for wearing a hat? Another one of you took pictures of a guy for exercising freedom of expression, making him so uncomfortable he left? What does that solve? No wonder you're the laughing stock of the internet.