Irvine is 31% more expensive than Fullerton.
When comparing Irvine, CA and Fullerton, CA, the overall cost of living indices are 256 and 195 respectively (national median = 100). Rent is $769/month cheaper in Fullerton, saving renters about $9,228/year.
Median household income is $25,428/year higher in Irvine. Home values also differ significantly — the median in Irvine is $1,115,400 compared to $859,600 in Fullerton.
Both cities share the same state tax structure since they are in California.
Irvine vs Fullerton — common questions
Other cost of living comparisons for Irvine and Fullerton