Boston vs San Diego: cost of living compared
San Diego is 2% cheaper than Boston overall. State income tax tops out around 5% in MA vs 9.3% in CA.
Indexes use a US average of 100: below 100 is cheaper than the national average. Housing and transportation are derived from median home prices, rents and commute times; figures come from BLS, Census ACS, Numbeo and the MIT Living Wage Calculator.
The big picture
Comparing Boston and San Diego reveals that the overall cost of living is roughly similar, though Boston is slightly more expensive. The biggest driver of cost differences between these two metros is housing, which is noticeably more expensive in San Diego, despite other categories being somewhat lower. This significant housing cost in San Diego can outweigh savings in other areas, making the overall budgets quite comparable.
Housing
San Diego's housing costs, both for purchasing a home and for overall housing expenses, are considerably higher than in Boston. While median home prices show a much bigger gap favoring Boston, median rent for a one-bedroom apartment is actually slightly less in San Diego. Boston's housing stock often includes older, multi-family structures, while San Diego features more modern, sprawling developments. Property taxes and insurance costs can vary significantly in both locations.
Taxes and everyday costs
Daily expenses beyond housing show some clear differences. Boston residents face higher costs for transportation, food, healthcare, and utilities compared to San Diego. Additionally, Massachusetts has a state income tax that is significantly lower than California's. This means that while housing is more expensive in San Diego, many routine purchases and services, along with a lower state income tax burden, can make everyday spending more manageable there.
Lifestyle trade-offs
Boston experiences four distinct seasons, including cold winters, and has a dense, historic urban core with extensive public transit. San Diego offers a consistently mild, sunny climate year-round and is more car-dependent, though it has some public transportation options. Boston's pace can feel faster, with a strong academic and financial presence, while San Diego offers a more relaxed, outdoor-oriented lifestyle with its beaches and natural beauty.
Bottom line
Moving between Boston and San Diego means trading different cost pressures. While San Diego presents a higher barrier to homeownership and overall housing expenses, it offers relief in state income tax and many everyday costs. Boston, with its slightly lower home prices but higher rent and daily expenses, requires careful budgeting. Ultimately, the impact on a household budget depends heavily on whether one plans to rent or buy, and individual spending habits.
| Measure | Boston, MA | San Diego, CA |
|---|---|---|
| Overall cost of living (US avg = 100) | 162 | 158 |
| Housing index | 194 | 214 |
| Transportation index | 121 | 109 |
| Food index | 115 | 110 |
| Healthcare index | 118 | 112 |
| Utilities index | 135 | 138 |
| Misc index | 122 | 115 |
| Median home price | $698,000 | $835,000 |
| Median 1-bedroom rent | $2,850/mo | $2,650/mo |
| Average commute | 32 min | 28 min |
Compare any two metros with the free cost of living tool, or see the true monthly cost of a specific San Diego home with the True Cost Calculator.