I think it's reasonable to apply, as you seem competitive for Stanford and UCSF.
I'm sympathetic to the challenges of pursuing medical training in the Bay Area, as I went through a similar situation (applying only to Bay Area programs) several years ago for residency match and just went through it again for fellowship match. Still, it does work out for some people, and hopefully you will be one of them. My only recommendation is to also consider applying to UC Davis, as it's a great school and Sacramento is at the outer limit of commuting distance from the Bay Area.