Oakland is 52% more expensive than Richardson.
When comparing Oakland, CA and Richardson, TX, the overall cost of living indices are 195 and 128 respectively (national median = 100). Rent is $92/month cheaper in Richardson, saving renters about $1,104/year.
Median household income is $1,112/year higher in Oakland. Home values also differ significantly — the median in Oakland is $924,700 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.
Oakland vs Richardson — common questions
Other cost of living comparisons for Oakland and Richardson