Berkeley is 10% more expensive than Costa Mesa.
When comparing Berkeley, CA and Costa Mesa, CA, the overall cost of living indices are 251 and 228 respectively (national median = 100). Rent is $268/month cheaper in Berkeley, saving renters about $3,216/year.
Median household income is $1,515/year higher in Costa Mesa. Home values also differ significantly — the median in Berkeley is $1,351,100 compared to $1,054,700 in Costa Mesa.
Both cities share the same state tax structure since they are in California.
Berkeley vs Costa Mesa — common questions
Other cost of living comparisons for Berkeley and Costa Mesa