Last updated: 2025 BLS data · Page refreshed:
How much does a Environmental Engineers actually take home in Massachusetts?
5.0% flat rate — 27.6% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Environmental Engineers earning $115,800 in Massachusetts (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $115,800 | — |
| Federal Income Tax | -$17,330 | 15.0% |
| Massachusetts State Income Tax | -$5,790 | 5.0% |
| Social Security (OASDI) | -$7,179 | 6.2% |
| Medicare | -$1,679 | 1.4% |
| Total Taxes | -$31,979 | 27.6% |
| Take-Home Pay | $83,820 | 72.4% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Environmental Engineers in Massachusetts.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $77,150 | -$18,573 | $58,576 | 24.1% |
| 25th Percentile (P25) | $86,370 | -$21,768 | $64,601 | 25.2% |
| Median (P50) | $115,800 | -$31,979 | $83,820 | 27.6% |
| 75th Percentile (P75) | $142,130 | -$41,629 | $100,500 | 29.3% |
| 90th Percentile (P90) | $172,920 | -$52,645 | $120,274 | 30.4% |
After federal income tax ($17,330), state tax ($5,790), and FICA ($8,858), a Environmental Engineers in Massachusetts takes home $83,820 per year — or $6,985 per month. The effective tax rate of 27.6% is moderate compared to the national range.
A Environmental Engineers in Massachusetts loses 27.6% of gross pay to taxes — higher than the ~25% national midpoint. Of the $115,800 gross, $83,821 lands in the paycheck after federal ($17,330), state ($5,790), and FICA ($8,859) withholding.
Massachusetts applies a flat state income tax — every dollar of wage income is taxed at the same rate. For this Environmental Engineers salary that contributes $5,790 to the 5.0% effective state-tax burden.
Federal tax on this Environmental Engineers salary is $17,330 (54%), but combined state ($5,790, 18%) + FICA ($8,859, 28%) make up the other 46% of the bill.
Moving this same Environmental Engineers salary to a zero-state-tax state would yield around $89,611 net — a gain of $5,790 (6.9%) per year versus Massachusetts.
For Environmental Engineers after-tax pay, Massachusetts ranks #12 of 50 states — top quartile. High gross wages or low state-tax burden (or both) drive the strong ranking.
Translated into paycheck cadences, $83,821 net/year works out to $6,985/month or $3,224/bi-weekly for this Environmental Engineers in Massachusetts — the numbers that actually hit a checking account after every deduction.
Where does a Environmental Engineers keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Massachusetts ranks #12 out of 50 states for Environmental Engineers after-tax take-home pay.
A Environmental Engineers in Massachusetts earning a median salary of $115,800 will take home approximately $83,820 per year after federal income tax ($17,330), state income tax ($5,790), and FICA ($8,858). That is $6,985 per month or $3,223 per bi-weekly paycheck.
The effective total tax rate for a Environmental Engineers in Massachusetts is 27.6%, broken down as: federal income tax 15.0%, Massachusetts state tax 5.0%, and FICA (Social Security + Medicare) 7.7%. This assumes a single filer with the standard deduction for 2024.
Massachusetts has a 5.0% flat rate. On a Environmental Engineers's median salary of $115,800, the state income tax amounts to $5,790 per year, which is an effective state rate of 5.0%.
After all taxes, a Environmental Engineers in Massachusetts takes home approximately $6,985 per month, or about $40.30 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 $115,800 for Environmental Engineers 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 — $83,820/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