Irvine is 65% more expensive than Vallejo.
When comparing Irvine, CA and Vallejo, CA, the overall cost of living indices are 256 and 155 respectively (national median = 100). Rent is $880/month cheaper in Vallejo, saving renters about $10,560/year.
Median household income is $40,151/year higher in Irvine. Home values also differ significantly — the median in Irvine is $1,115,400 compared to $557,500 in Vallejo.
Both cities share the same state tax structure since they are in California.
Irvine vs Vallejo — common questions
Other cost of living comparisons for Irvine and Vallejo