I'm also in SF Bay Area and I just had 3 Gbps symmetric fiber installed by Comcast. This is their $299/mo "Gigabit Pro" option. I posted about it on Reddit here

I'm also in SF Bay Area and I just had 3 Gbps symmetric fiber installed by Comcast. This is their $299/mo "Gigabit Pro" option. I posted about it on Reddit here: https://www.reddit.com/r/Comcast_Xfinity/comments/tkmv9y/update_gigabit_pro_is_apparently_unobtainium/ https://www.reddit.com/r/Comcast_Xfinity/comments/tkmv9y/upd... There's a benchmark posted there showing that the speed is really as advertised.