San Francisco is 72% more expensive than Vallejo.
When comparing San Francisco, CA and Vallejo, CA, the overall cost of living indices are 267 and 155 respectively (national median = 100). Rent is $406/month cheaper in Vallejo, saving renters about $4,872/year.
Median household income is $51,950/year higher in San Francisco. Home values also differ significantly — the median in San Francisco is $1,380,500 compared to $557,500 in Vallejo.
Both cities share the same state tax structure since they are in California.
San Francisco vs Vallejo — common questions
Other cost of living comparisons for San Francisco and Vallejo