Mark Siu
City of Toronto/Senior Engineer
2025 Salary
$154,866Total compensation $158,119, including $3,253 in taxable benefits.
Source: Ontario’s Public Sector Salary Disclosure — names paid $100,000 or more that year. How we build this · Report an error on this page
At a Glance
2025
Employer Rank
#2,452City of Toronto
Years on List
32023–2025
Peak Salary
$154,8662025
Full 2025 roster at City of Toronto →·See where $154,866 ranks →
Total Compensation History
Full History
2023–2025
$115,669 in 2023 is worth about $120,896 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Senior EngineerCity Of Toronto | $154,866Benefits $3,253Total $158,119 |
| 2024 | Senior EngineerCity Of Toronto | $142,046Benefits $1,858Total $143,905 |
| 2023 | Senior EngineerCity Of Toronto | $115,669Benefits $896Total $116,564 |
Take-Home Pay
(After Tax) · 2025 estimate
Take-home on Mark Siu's 2025 salary of $154,866 comes to roughly $106,563 once federal and Ontario income tax (about 27.6% effective) is deducted. On total compensation of $158,119, Mark Siu ranked #2,452 of 13,079 disclosed at City of Toronto that year, where the median salary was $128,018. Records under this name have appeared on the Sunshine List 3 years in all, first in 2023. After pension contributions (probably OMERS in this sector), take-home is usually a further 7–10% lower.
- Estimated net pay
- ~$106,563
- Effective income-tax rate (excl. CPP/EI)
- ~27.6%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~31.2%
- vs. 2025 Senior Engineer median
- +1%
Where does $154,866 rank on the Sunshine List? →
Estimate only: 2025 federal and Ontario rates, basic personal amounts, Canada employment amount and CPP/EI credits; single, employment income only, salary treated as full-year income. Ignores pension contributions (OMERS, HOOPP, OTPP, OPTrust and similar plans lower actual take-home), union dues, RRSPs and benefits.