Fairfield is 30% more expensive than Richardson.
When comparing Fairfield, CA and Richardson, TX, the overall cost of living indices are 167 and 128 respectively (national median = 100). Rent is $366/month cheaper in Richardson, saving renters about $4,392/year.
Median household income is $6,064/year higher in Fairfield. Home values also differ significantly — the median in Fairfield is $592,500 compared to $405,600 in Richardson.
Texas has no state income tax, giving Richardson residents a significant tax advantage over California's 13.3% rate.
Fairfield vs Richardson — common questions
Other cost of living comparisons for Fairfield and Richardson