Santa Rosa is 11% more expensive than Vallejo.
When comparing Santa Rosa, CA and Vallejo, CA, the overall cost of living indices are 172 and 155 respectively (national median = 100). Rent is $71/month cheaper in Vallejo, saving renters about $852/year.
Median household income is $7,914/year higher in Santa Rosa. Home values also differ significantly — the median in Santa Rosa is $685,000 compared to $557,500 in Vallejo.
Both cities share the same state tax structure since they are in California.
Santa Rosa vs Vallejo — common questions
Other cost of living comparisons for Santa Rosa and Vallejo