David Henderson
City of Oshawa/Supervisor, Parks Grounds Maintenance
2025 Salary
$123,457Total compensation $123,978, including $520 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
#255City of Oshawa
Years on List
62020–2025
Peak Salary
$123,4572025
Full 2025 roster at City of Oshawa →·See where $123,457 ranks →
Total Compensation History
Full History
2020–2025
$102,234 in 2020 is worth about $122,531 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Supervisor, Parks Grounds MaintenanceCity Of Oshawa | $123,457Benefits $520Total $123,978 |
| 2024 | Supervisor, Parks Grounds MaintenanceCity Of Oshawa | $121,282Benefits $472Total $121,754 |
| 2023 | Supervisor, Parks Grounds MaintenanceCity Of Oshawa | $120,549Benefits $409Total $120,957 |
| 2022 | Supervisor, Parks Grounds MaintenanceCity Of Oshawa | $114,047Benefits $371Total $114,418 |
| 2021 | Supervisor, Parks Grounds MaintenanceCity Of Oshawa | $105,045Benefits $329Total $105,373 |
| 2020 | Supervisor, Parks Grounds MaintenanceCity Of Oshawa | $102,234Benefits $329Total $102,563 |
Take-Home Pay
(After Tax) · 2025 estimate
Take-home on David Henderson's 2025 salary of $123,457 comes to roughly $88,848 once federal and Ontario income tax (about 23.6% effective) is deducted. On total compensation of $123,978, David Henderson ranked #255 of 423 disclosed at City of Oshawa that year, where the median salary was $129,468. David Henderson has appeared on the list 6 times since 2020. Most Municipalities & Services employees belong to OMERS, so actual take-home is likely another 7–10% lower after pension contributions.
- Estimated net pay
- ~$88,848
- Effective income-tax rate (excl. CPP/EI)
- ~23.6%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~28.0%
Where does $123,457 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.