San Francisco is about 7% more expensive than Boston overall - $100,000 in Boston is worth about $106,786 in San Francisco.
The housing gap between Boston and San Francisco is the headline story. A median home in San Francisco costs $1,380,500 compared to $710,400 in Boston - a 94% difference that shapes everything from your down-payment timeline to your commute radius. For first-time buyers, that translates to a $138,050 down payment in San Francisco versus $71,040 in Boston.
Renters see the same pattern. The typical apartment in San Francisco costs $2,419/month versus $2,093/month in Boston. But income matters too: the median household in Boston earns $94,755 and in San Francisco earns $141,446. That means rent swallows about 26.5% of median income in Boston and 20.5% in San Francisco.
Both cities are similarly sized metros - Boston has 663,972 people and San Francisco has 836,321. That means comparable access to jobs, airports, and cultural amenities without the extremes of a mega-city.
Monthly cost breakdown: Boston vs San Francisco
These estimates use BLS Consumer Expenditure Survey shares scaled by each city’s cost-of-living index. Housing uses the city’s actual median rent; ownership uses a 6.7%, 30-year mortgage with 10% down on the median home.
| Category | Boston (rent) | San Francisco (rent) | Boston (own) | San Francisco (own) |
|---|---|---|---|---|
| Housing | $2,093 | $2,419 | $4,126 | $8,017 |
| Transportation | $1,402 | $2,235 | $1,402 | $2,235 |
| Food | $1,103 | $1,758 | $1,103 | $1,758 |
| Healthcare | $692 | $1,104 | $692 | $1,104 |
| Other | $2,462 | $3,925 | $2,462 | $3,925 |
| Total | $7,752 | $11,440 | $9,785 | $17,039 |
Scenario: who actually wins?
The Renter
If you rent a median apartment and keep other spending typical, your monthly nut in San Francisco is roughly $29,028 per year in rent alone - $3,912 more than in Boston. Add utilities, food, and transport and the annual gap widens. The crossover point: you need to earn about $106,786 in San Francisco to match $100,000 in Boston.
The First-Time Buyer
A 10% down payment on the median home costs $138,050 in San Francisco versus $71,040 in Boston. On a 30-year fixed mortgage at 6.7%, the monthly P&I difference is roughly $3,892. Over five years, that’s $233,496 in extra (or saved) housing costs.
The Remote Worker
If your salary is locked to a national scale regardless of location, Boston is the obvious win. A $120,000 remote salary in Boston has the purchasing power of about $128,143 in San Francisco. The catch: some employers use location-based pay bands, which can erase part of that advantage.
The Family of Four
With two median incomes, a household in Boston earns roughly $142,132 and in San Francisco earns $212,169. After housing, the next biggest budget line is usually childcare and education - costs that vary less by city than housing does. The family math usually comes down to: can you afford the home you want on local salaries? In San Francisco, that answer is harder.
Boston vs San Francisco: the numbers
| Metric | Boston | San Francisco | Difference |
|---|---|---|---|
| Cost-of-living index (US=100) | 108 | 116 | +7% |
| Median rent | $2,093 | $2,419 | +16% |
| Median home value | $710,400 | $1,380,500 | +94% |
| Median household income | $94,755 | $141,446 | +49% |
Cost of living = BEA Regional Price Parities (US average = 100). Rent, home value, and income from the U.S. Census ACS. See our methodology.
What your salary is worth
A $100,000 salary in Boston has the same buying power as about $106,786 in San Francisco. Going the other way, $100,000 in San Francisco is like $93,645 in Boston.
Use the calculator below to compare any salary between Boston and San Francisco.
Job market snapshot: Boston vs San Francisco
Highest-paying roles with available data - median salary, not average, to avoid skew from senior outliers.
| Role | Boston | San Francisco |
|---|---|---|
| Marketing Manager | - | $209,170 |
| Registered Nurse | - | $181,240 |
| Software Developer | - | $172,340 |
| Data Scientist | - | $163,430 |
| Web Developer | - | $141,980 |
Moving from Boston to San Francisco: a practical checklist
Before you pack, run the numbers on these five items:
- Total compensation, not just base salary. Factor in bonuses, stock, 401(k) match, and remote-work stipends.
- Housing math for your situation. Rent vs. buy changes the winner. Use our calculator above to model both.
- State income tax. Boston and San Francisco are in different states, so your take-home pay will shift even if your gross salary stays flat. See our paycheck calculator for the exact difference.
- Commute and transportation. Gas, insurance, and tolls vary by metro. Check whether your new commute is longer or shorter.
- Healthcare network coverage. If you have employer-sponsored insurance, confirm your preferred doctors and hospitals are in-network in San Francisco.
Run these through our cost-of-living calculator with your actual salary to get a personalized answer.