Salary Comparison

Security Engineer Salary:
San Francisco, CA vs Boston, MA

Side-by-side gross salary, after-tax take-home pay, and purchasing power comparison. Updated June 2026.

San Francisco, CA
$264,828
/ year
+19%
difference
Boston, MA
$221,765
/ year
Bottom line: Boston offers better purchasing power despite San Francisco paying more gross. How is this calculated? โ†’
Metric
San Francisco
Boston
Median Gross Salary
Annual, before tax
$264,828โœ“ higher
$221,765
Entry Level
0โ€“2 years experience
$171,263โœ“ higher
$143,414
Senior Level
8+ years experience
$409,510โœ“ higher
$342,920
Est. Take-Home Pay
After income tax + FICA
$176,897โœ“ higher
$148,622
Purchasing Power
Equivalent in median-CoL city
$157,636
$158,404โœ“ higher
Cost of Living Index
Relative to US median (1.00)
1.68ร—
1.40ร—โœ“ lower
Percentile 10 (Low)
Bottom 10% of earners
$171,263โœ“ higher
$143,414
Percentile 90 (High)
Top 10% of earners
$409,510โœ“ higher
$342,920

What if you move from San Francisco to Boston?

Gross salary change
$43,063
19% decrease
Take-home change
$28,275
per year after tax
Purchasing power change
+$768
equivalent real income

Take-home pay is estimated using 2024 US federal tax brackets (single filer) + 7.65% FICA, or a blended international effective rate. Purchasing power converts gross salary to an equivalent in a US median cost-of-living city (index 1.00ร—). Full methodology โ†’

Salary Range Comparison

San Francisco, CA$264,828
P10: $171,263Median: $264,828P90: $409,510
Boston, MA$221,765
P10: $143,414Median: $221,765P90: $342,920

Frequently Asked Questions

โ–ถDoes a Security Engineer earn more in San Francisco or Boston?

The median Security Engineer salary in San Francisco, CA is $264,828/yr compared to $221,765/yr in Boston, MA. San Francisco pays 19% more in gross terms.

โ–ถIs a Security Engineer salary worth more in San Francisco or Boston after cost of living?

After adjusting for local cost of living, your San Francisco salary has the purchasing power of $157,636/yr in a median-cost city, vs $158,404/yr for Boston. Boston offers stronger real purchasing power.

โ–ถWhat is the take-home pay for a Security Engineer in San Francisco vs Boston?

After estimated taxes, a Security Engineer in San Francisco, CA takes home approximately $176,897/yr, vs $148,622/yr in Boston, MA. These are estimates based on standard federal tax rates and do not account for state/local taxes or deductions.