Salaries › Mental Health & Substance Abuse Social Worker › Washington
Mental Health & Substance Abuse Social Worker Salary in Washington (2026)
$33.88 per hour · take-home ≈ $58,399/year ($4,867/month) for a single filer
Washington ranks 8th of 51 states for Mental Health & Substance Abuse Social Worker pay, with a median about 13% above the national average. Of the 3,490 Mental Health & Substance Abuse Social Worker jobs BLS counts in Washington, the typical worker earns $70,460 a year — though pay ranges from $46,790 for newcomers to $102,680 at the top.
Mental Health & Substance Abuse Social Worker pay range in Washington
| Percentile | Annual wage | Meaning |
| 10th percentile (entry) | $46,790 | Lowest-paid 10% earn less than this |
| 25th percentile | $56,050 | A quarter earn less |
| Median (50th) | $70,460 | Half earn more, half earn less |
| 75th percentile | $84,500 | Top quarter starts here |
| 90th percentile (top) | $102,680 | Highest-paid 10% earn more than this |
BLS reports 3,490 Mental Health & Substance Abuse Social Worker jobs in Washington (occupation code 21-1023, “Mental Health and Substance Abuse Social Workers”).
Gross vs. take-home in Washington
A median Mental Health & Substance Abuse Social Worker salary of $70,460 doesn’t all reach your bank account. After federal income tax, Social Security, and Medicare (no state income tax in Washington), a single filer keeps about $58,399 — an effective tax rate of 17.1%.
| Gross (median) | $70,460 |
| Federal income tax | −$6,671 |
| Social Security + Medicare | −$5,390 |
| Washington state income tax | −$0 |
| Take-home (annual) | $58,399 |
| Take-home (monthly) | $4,867 |
Want your exact numbers — married, 401(k), different salary? Use the free Washington paycheck calculator on PaycheckTally.
Frequently asked questions
- How much does a Mental Health & Substance Abuse Social Worker make in Washington?
- The median Mental Health & Substance Abuse Social Worker salary in Washington is $70,460 per year ($33.88 per hour) according to the latest BLS data. The middle 50% earn between $56,050 and $84,500.
- What is the take-home pay for a Mental Health & Substance Abuse Social Worker in Washington?
- On the median salary of $70,460, a single filer in Washington takes home about $58,399 per year ($4,867 per month) after federal tax, FICA — an effective tax rate of 17.1%.
- How many Mental Health & Substance Abuse Social Worker jobs are there in Washington?
- BLS counts 3,490 Mental Health & Substance Abuse Social Worker jobs in Washington in the latest survey (May 2025).
Top-paying states for Mental Health & Substance Abuse Social Workers
Other salaries in Washington
Sources and methodology
Wage and employment figures: BLS OEWS May 2025 (state file, released April 2026) — the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics survey, the most authoritative public salary dataset. Take-home estimate: 2026 federal brackets, FICA, and verified Washington state tax rules (single filer, standard deduction, no credits or local taxes). Estimates only — not financial advice.
- BLS OEWS — official occupational wage data.
- PaycheckTally — interactive 2026 take-home calculator for Washington.