Fairfield is 4% more expensive than Richmond.
When comparing Fairfield, CA and Richmond, CA, the overall cost of living indices are 167 and 161 respectively (national median = 100). Rent is $296/month cheaper in Richmond, saving renters about $3,552/year.
Median household income is $12,283/year higher in Fairfield. Home values also differ significantly — the median in Fairfield is $592,500 compared to $650,100 in Richmond.
Both cities share the same state tax structure since they are in California.
Fairfield vs Richmond — common questions
Other cost of living comparisons for Fairfield and Richmond