Oakland is 26% more expensive than Vallejo.
When comparing Oakland, CA and Vallejo, CA, the overall cost of living indices are 195 and 155 respectively (national median = 100). Rent is $96/month cheaper in Oakland, saving renters about $1,152/year.
Median household income is $7,873/year higher in Oakland. Home values also differ significantly — the median in Oakland is $924,700 compared to $557,500 in Vallejo.
Both cities share the same state tax structure since they are in California.
Oakland vs Vallejo — common questions
Other cost of living comparisons for Oakland and Vallejo