Side-by-side · Software Engineer
Seattle vs Boston
Move Value
−$9k
real, after tax + COL · per year
Career Velocity
9/10
Seattle: 9/10 → lateral
10-Year Outlook
−$151k
± $118k confidence band
| Seattle | Boston | |
|---|---|---|
| P50 salary, role | $168k | $158k |
| State + local income tax | None | None |
| After-tax income | $125k | $118k |
| Cost of living (US = 100) | 152 | 162 |
| Median 1BR rent | $2208/mo | $3184/mo |
| Real purchasing power | $82k | $73k |
| Career Velocity (this role) | 9/10 | 9/10 |
| Career Velocity v1 (0–100) | 86 · High | 18 · Thin |
| Walkability (0–10) | 8 | 9 |
| Outdoors (0–10) | 10 | 7 |
Who should make this move
Choose Boston if…
- ·Your field's Career Velocity is at least as good in Boston (9/10).
- ·Biotech, education, and finance — small footprint, dense talent.
Stay in Seattle if…
- ·You'd lose $9k of real income annually.
- ·Your 10-year picture is $151k better if you stay.
- ·You're optimizing for what Seattle uniquely offers: coastal-grade tech salaries with zero state income tax.
A note on the numbers: Salaries are role-P50 from BLS-style bands. Tax is statutory state + local at ~$110k single. The 10-year outlook uses a 3-year promotion cadence with a small velocity adjustment, 2.5% COL inflation, and discounts to today's dollars. Full assumptions on the methodology page.