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US relocation · 2026

California flagSan Francisco → Massachusetts flagBoston

At $100,000 gross, you’d need about $87,879 in Boston to match San Francisco purchasing power — and same-gross take-home shifts by +$506/year.

By Sammy S. · Founder · AuthorUpdated for 2026

Stronger purchasing power

Boston leads

City COL moves -20 from San Francisco (165) to Boston (145). Parent median income delta (California → Massachusetts): +$3,700. At $100,000 gross: equivalent salary ~$87,879; same-gross take-home +$506/year.

Side-by-side city scoreboard

San Francisco

61

Purchasing power index · 100 = national avg

COL index
165
Parent median income
93,500 USD
Sales tax
~9.03%
Property tax
~0.7%
Income tax
Taxed
$100k take-home
$72,794
Open calculator →

Boston

69

Purchasing power index · 100 = national avg

COL index
145
Parent median income
97,200 USD
Sales tax
~6.25%
Property tax
~1%
Income tax
Taxed
$100k take-home
$73,300
Open calculator →
●Example scenario: $100,000 gross (Single filer, 2026)
Illustrative numbers only—same formulas as the calculator. Take-home rows assume you earn the scenario gross while living in each city (local taxes apply). Below the tables, use “Open calculator — personalize results” to enter your salary, filing status, rent or buy, and more—the full tool uses this same city pair.

Salary & estimated take-home (USD)

Annual gross (scenario)

San Francisco

$100,000

Boston

$100,000

Est. annual take-home

San Francisco

$72,794

Boston

$73,300

Approx. combined tax + payroll burden

San Francisco

27.2%

Boston

26.7%

Take-home difference at same gross

+$506 / yr in Boston vs San Francisco

Equivalent gross for same lifestyle (COL-adjusted)

Boston only

$87,879

Change vs scenario gross

Boston only

-12.1%

Est. take-home at equivalent gross

Boston only

$65,485

Burden at equivalent gross

Boston only

25.5%

Snapshot: how to read this move ($100,000 scenario)

  • Monthly take-home at the same gross. At $100,000/year, estimated take-home is about $6,066/mo in San Francisco vs $6,108/mo in Boston—roughly +$42/mo more in Boston before housing ($506/yr annualized).

  • Cost of living vs taxes. Our benchmark COL index is 165 for San Francisco and 145 for Boston (100 = national average). The destination is about -12.1% less expensive than the origin for that basket—then state/province and payroll taxes shift take-home further.

  • Equivalent salary to keep the same lifestyle. To match purchasing power after COL, the model suggests about $87,879/yr gross in Boston (~$7,323/mo), with estimated take-home around $5,457/mo. Versus estimated take-home in San Francisco at the scenario gross, that is about -10% (by design, equivalent gross targets similar real spending power after COL and taxes; exact match varies with rounding).

  • Cash after typical 1BR rent (illustrative). Using average 1-bedroom rent in the housing table, roughly $2,516/mo is left after rent in San Francisco at the scenario gross vs $3,328/mo in Boston at the same gross. At the equivalent gross in Boston, about $2,677/mo after rent. Typical rent differs by about $770/mo between the two cities in our data.

Figures use the same tax and COL engine as the calculator; your household, deductions, and neighborhood can change outcomes. Use the calculator below for your exact salary and housing choice.

Housing snapshot · average rent · 1-bedroom apartment

Typical monthly rent

San Francisco

$3,550

Boston

$2,780

Rent as % of scenario gross ($100,000/yr)

San Francisco

42.6%

Boston

33.4%

Rent as % of equivalent gross (Boston)

Boston only

38.0%

Rent benchmarks are city-level estimates; neighborhoods vary. Mortgage (buy) and other home sizes are available in the full calculator.

Housing: San Francisco → Boston

Approximate median monthly rents for the primary metros in San Francisco and Boston. Negative delta means housing is cheaper in Boston. Figures are planning estimates — neighborhoods vary.

1BR rent delta / yr

−$9,240

1BR % of $100k (San Francisco)

42.6%

$3,550/mo

1BR % of $100k (Boston)

33.4%

$2,780/mo

Property tax (effective)

~0.7% → ~1%

San Francisco → Boston

At COL-equivalent salary in Boston, 1BR rent is about 38% of gross — vs 33.4% if you keep $100,000 gross.

Apartment rent (monthly)

SizeSan FranciscoBostonDelta / mo
Studio$2,800$2,300−$500
1 bedroom$3,550$2,780−$770
2 bedroom$4,800$3,300−$1,500
3 bedroom$6,200$4,100−$2,100

House rent (monthly)

SizeSan FranciscoBostonDelta / mo
2 bedroom$4,500$3,200−$1,300
3 bedroom$6,000$4,000−$2,000
4 bedroom$7,800$5,000−$2,800

Buy instead? Est. mortgage (3BR house)

San Francisco payment

$6,898/mo

Boston payment

$4,599/mo

Payment delta

−$2,299

Est. purchase price

$1,296,000 → $864,000

Illustrative P&I only: 20% down, 7% APR, 30-year fixed. Price ≈ annual rent × 18 (price-to-rent). Taxes, insurance, and HOA not included — open the calculator Housing section to adjust.

Sources: approximate metro medians (Zillow / Zumper-style US benchmarks; CMHC-style for Canada). Property tax rates are statewide effective averages. Personalize unit size, rent vs buy, and down payment in the relocation calculator.

Model housing for San Francisco → Boston

Key takeaways — San Francisco → Boston

  • Boston has a city cost-of-living index of 145 vs 165 in San Francisco (national average = 100) — about 12% cheaper on our index.
  • At $100,000 gross (Single filer), roughly $87,879 in Boston matches San Francisco purchasing power (-12.1% COL-adjusted).
  • Keeping the same $100,000 gross, estimated take-home shifts by about +$506/year (San Francisco → Boston) after federal, state, and FICA taxes.
  • Parent-state paycheck model at $100k (single): California ~$72,794 vs Massachusetts ~$73,300 (+$506/year) — city COL can still change the equivalent salary you need.
  • Illustrative 1-bedroom rent: ~$3,550/mo in San Francisco vs ~$2,780/mo in Boston (−$9,240/year).
  • Quality-of-life snapshot (indicative): overall 60 in San Francisco vs 55 in Boston — higher safety & worse weather in the new city.

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Estimates for planning only. Cost-of-living indices and tax rules change; verify with local sources or a professional before relocating.