Last updated: 2025 BLS data · Page refreshed:
How much does a Mechanical Engineers actually take home in California?
Progressive (up to 13.3%) — 30.4% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Mechanical Engineers earning $130,900 in California (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $130,900 | — |
| Federal Income Tax | -$20,954 | 16.0% |
| California State Income Tax | -$8,826 | 6.7% |
| Social Security (OASDI) | -$8,115 | 6.2% |
| Medicare | -$1,898 | 1.4% |
| Total Taxes | -$39,794 | 30.4% |
| Take-Home Pay | $91,105 | 69.6% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Mechanical Engineers in California.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $82,070 | -$20,460 | $61,609 | 24.9% |
| 25th Percentile (P25) | $102,360 | -$28,363 | $73,996 | 27.7% |
| Median (P50) | $130,900 | -$39,794 | $91,105 | 30.4% |
| 75th Percentile (P75) | $166,580 | -$54,405 | $112,174 | 32.7% |
| 90th Percentile (P90) | $203,620 | -$67,435 | $136,184 | 33.1% |
A Mechanical Engineers in California faces a combined 30.4% effective tax rate, taking home $91,105 out of $130,900. The progressive (up to 13.3%) adds $8,826 on top of federal and FICA taxes. In a no-income-tax state, this salary would yield approximately $99,931 — a difference of $8,826/year.
A Mechanical Engineers in California loses 30.4% of gross pay to taxes — higher than the ~25% national midpoint. Of the $130,900 gross, $91,105 lands in the paycheck after federal ($20,954), state ($8,827), and FICA ($10,014) withholding.
California uses a progressive state income tax, so brackets escalate as wages rise. For this Mechanical Engineers salary the state tax works out to $8,827 (6.7% effective) — on top of federal and FICA.
Federal tax on this Mechanical Engineers salary is $20,954 (53%), but combined state ($8,827, 22%) + FICA ($10,014, 25%) make up the other 47% of the bill.
The state-tax gap is substantial: a Mechanical Engineers earning this gross in a no-income-tax state would net about $99,932 — an extra $8,827 (9.7%) annually compared with California.
For Mechanical Engineers after-tax pay, California ranks #4 of 51 states — top quartile. High gross wages or low state-tax burden (or both) drive the strong ranking.
Translated into paycheck cadences, $91,105 net/year works out to $7,592/month or $3,504/bi-weekly for this Mechanical Engineers in California — the numbers that actually hit a checking account after every deduction.
Where does a Mechanical Engineers keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
California ranks #4 out of 51 states for Mechanical Engineers after-tax take-home pay.
A Mechanical Engineers in California earning a median salary of $130,900 will take home approximately $91,105 per year after federal income tax ($20,954), state income tax ($8,826), and FICA ($10,013). That is $7,592 per month or $3,504 per bi-weekly paycheck.
The effective total tax rate for a Mechanical Engineers in California is 30.4%, broken down as: federal income tax 16.0%, California state tax 6.7%, and FICA (Social Security + Medicare) 7.6%. This assumes a single filer with the standard deduction for 2024.
California has a progressive (up to 13.3%). On a Mechanical Engineers's median salary of $130,900, the state income tax amounts to $8,826 per year, which is an effective state rate of 6.7%.
After all taxes, a Mechanical Engineers in California takes home approximately $7,592 per month, or about $43.80 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 $130,900 for Mechanical Engineers in California, then subtract: federal income tax using 2024 IRS brackets ($14,600 standard deduction), California state income tax (progressive (up to 13.3%)), Social Security (6.2% up to $168,600), and Medicare (1.45%). The result — $91,105/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