Last updated: 2025 BLS data · Page refreshed:
How much does a Stationary Engineers and Boiler Operators actually take home in Massachusetts?
5.0% flat rate — 24.6% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Stationary Engineers and Boiler Operators earning $80,800 in Massachusetts (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $80,800 | — |
| Federal Income Tax | -$9,617 | 11.9% |
| Massachusetts State Income Tax | -$4,040 | 5.0% |
| Social Security (OASDI) | -$5,009 | 6.2% |
| Medicare | -$1,171 | 1.4% |
| Total Taxes | -$19,838 | 24.6% |
| Take-Home Pay | $60,961 | 75.4% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Stationary Engineers and Boiler Operators in Massachusetts.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $64,540 | -$14,204 | $50,335 | 22.0% |
| 25th Percentile (P25) | $71,140 | -$16,491 | $54,648 | 23.2% |
| Median (P50) | $80,800 | -$19,838 | $60,961 | 24.6% |
| 75th Percentile (P75) | $91,140 | -$23,421 | $67,718 | 25.7% |
| 90th Percentile (P90) | $100,710 | -$26,737 | $73,972 | 26.5% |
After federal income tax ($9,617), state tax ($4,040), and FICA ($6,181), a Stationary Engineers and Boiler Operators in Massachusetts takes home $60,961 per year — or $5,080 per month. The effective tax rate of 24.6% is relatively low compared to the national range.
With an effective total rate of 24.6%, a Stationary Engineers and Boiler Operators in Massachusetts keeps $60,962 of $80,800 gross — roughly typical for U.S. middle-income earners once federal, FICA and state taxes are combined.
Massachusetts applies a flat state income tax — every dollar of wage income is taxed at the same rate. For this Stationary Engineers and Boiler Operators salary that contributes $4,040 to the 5.0% effective state-tax burden.
Federal tax on this Stationary Engineers and Boiler Operators salary is $9,617 (48%), but combined state ($4,040, 20%) + FICA ($6,181, 31%) make up the other 52% of the bill.
Moving this same Stationary Engineers and Boiler Operators salary to a zero-state-tax state would yield around $65,002 net — a gain of $4,040 (6.6%) per year versus Massachusetts.
Massachusetts ranks #14 of 51 states for Stationary Engineers and Boiler Operators after-tax pay — comfortably in the upper half.
Translated into paycheck cadences, $60,962 net/year works out to $5,080/month or $2,345/bi-weekly for this Stationary Engineers and Boiler Operators in Massachusetts — the numbers that actually hit a checking account after every deduction.
Where does a Stationary Engineers and Boiler Operators keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Massachusetts ranks #14 out of 51 states for Stationary Engineers and Boiler Operators after-tax take-home pay.
A Stationary Engineers and Boiler Operators in Massachusetts earning a median salary of $80,800 will take home approximately $60,961 per year after federal income tax ($9,617), state income tax ($4,040), and FICA ($6,181). That is $5,080 per month or $2,344 per bi-weekly paycheck.
The effective total tax rate for a Stationary Engineers and Boiler Operators in Massachusetts is 24.6%, broken down as: federal income tax 11.9%, Massachusetts state tax 5.0%, and FICA (Social Security + Medicare) 7.6%. This assumes a single filer with the standard deduction for 2024.
Massachusetts has a 5.0% flat rate. On a Stationary Engineers and Boiler Operators's median salary of $80,800, the state income tax amounts to $4,040 per year, which is an effective state rate of 5.0%.
After all taxes, a Stationary Engineers and Boiler Operators in Massachusetts takes home approximately $5,080 per month, or about $29.31 per hour (based on a standard 2,080-hour work year). These figures assume a single filer, standard deduction, and no additional pre-tax deductions.
We start with the 2025 BLS median salary of $80,800 for Stationary Engineers and Boiler Operators in Massachusetts, then subtract: federal income tax using 2024 IRS brackets ($14,600 standard deduction), Massachusetts state income tax (5.0% flat rate), Social Security (6.2% up to $168,600), and Medicare (1.45%). The result — $60,961/yr — does not include local taxes, pre-tax deductions (401k, HSA), or tax credits.
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This estimate assumes a single filer using the 2024 standard deduction ($14,600), with W-2 employment income only. It does not account for: itemized deductions, tax credits (e.g. earned income credit, child tax credit), local/city taxes, pre-tax contributions (401k, HSA, FSA), self-employment tax, or additional income sources. Actual take-home pay may differ. Consult a tax professional for personalized advice.
Our Methodology · Data Sources · Salary: BLS OEWS · Tax: IRS + State DOR