Irvine is 12% more expensive than Costa Mesa.
When comparing Irvine, CA and Costa Mesa, CA, the overall cost of living indices are 256 and 228 respectively (national median = 100). Rent is $498/month cheaper in Costa Mesa, saving renters about $5,976/year.
Median household income is $19,574/year higher in Irvine. Home values also differ significantly — the median in Irvine is $1,115,400 compared to $1,054,700 in Costa Mesa.
Both cities share the same state tax structure since they are in California.
Irvine vs Costa Mesa — common questions
Other cost of living comparisons for Irvine and Costa Mesa