i'm gonna have to give a top 5 for each because hella places show me love.
alright, so for east bay (contra costa/alameda county):
1. tacos mi virgencita, richmond/el sobrante
2. tacos el grullense, richmond
3. la flor de jalisco, richmond
4. tacos el autlense, albany
5. tacos rodriguez, san pablo
north bay (solano/napa county):
1. la tapatia, vallejo
2. vargas market, vallejo
3. tacos michoacan, american canyon
4. tacos jalisco (taco truck, not restaurant), vallejo
5. tacos la cascada, vallejo