Kent is 10% cheaper than Richmond.
When comparing Kent, WA and Richmond, CA, the overall cost of living indices are 145 and 161 respectively (national median = 100). Rent is $62/month cheaper in Kent, saving renters about $744/year.
Median household income is $378/year higher in Kent. Home values also differ significantly — the median in Kent is $537,500 compared to $650,100 in Richmond.
Washington has no state income tax, giving Kent residents a significant tax advantage over California's 13.3% rate.
Kent vs Richmond — common questions
Other cost of living comparisons for Kent and Richmond