Mark Thomas Underwood
Regional Municipality of Halton/Platoon Supervisor
2023 Salary — last year on the list
$133,967Total compensation $134,700, including $733 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
2023
Employer Rank
#304Regional Municipality of Halton
Years on List
102014–2023
Peak Salary
$133,9672023
Full 2023 roster at Regional Municipality of Halton →·See where $133,967 ranks →
Total Compensation History
Full History
2014–2023
$113,622 in 2014 is worth about $149,015 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2023 | Platoon SupervisorRegional Municipality Of Halton | $133,967Benefits $733Total $134,700 |
| 2022 | Platoon SupervisorRegional Municipality Of Halton | $133,816Benefits $733Total $134,549 |
| 2021 | Platoon SupervisorRegional Municipality Of Halton | $130,833Benefits $599Total $131,432 |
| 2020 | Platoon SupervisorRegional Municipality Of Halton | $128,260Benefits $504Total $128,765 |
| 2019 | Platoon SupervisorRegional Municipality Of Halton | $124,696Benefits $488Total $125,183 |
| 2018 | Sergeant, Central Lock UpRegional Municipality of Halton | $120,648Benefits $466Total $121,114 |
| 2017 | DetectiveRegional Municipality of Halton | $115,072Benefits $476Total $115,548 |
| 2016 | DetectiveRegional Municipality of Halton | $113,708Benefits $470Total $114,178 |
| 2015 | DetectiveRegional Municipality of Halton | $111,152Benefits $458Total $111,610 |
| 2014 | Platoon SupervisorRegional Municipality of Halton | $113,622Benefits $441Total $114,062 |
Take-Home Pay
(After Tax) · 2023 estimate
Take-home on Mark Thomas Underwood's 2023 salary of $133,967 comes to roughly $93,466 once federal and Ontario income tax (about 26.7% effective) is deducted. The 2023 median for Platoon Supervisor on the list was $133,827, almost exactly this figure. It is little changed from the $133,816 paid in 2022. Pension contributions — likely OMERS in the Municipalities & Services sector — would typically trim another 7–10% off that figure.
- Estimated net pay
- ~$93,466
- Effective income-tax rate (excl. CPP/EI)
- ~26.7%
- CPP + EI contributions
- ~$4,756
- All-in deduction rate (incl. CPP/EI)
- ~30.2%
- vs. 2023 Platoon Supervisor median
- about even
Where does $133,967 rank on the Sunshine List? →
Estimate only: 2023 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.