San Diego is 57% cheaper than San Jose.
When comparing San Diego, CA and San Jose, CA, the overall cost of living indices are 197 and 254 respectively (national median = 100). Rent is $394/month cheaper in San Diego, saving renters about $4,728/year.
Median household income is $37,244/year higher in San Jose. Home values also differ significantly — the median in San Diego is $848,500 compared to $1,187,800 in San Jose.
Both cities share the same state tax structure since they are in California.
San Diego vs San Jose — common questions