Karyn Smithard-Costanzo
Regional Municipality of Halton/Sap Business Partner
2025 Salary
$171,478Total compensation $172,259, including $781 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
#175Regional Municipality of Halton
Years on List
82018–2025
Peak Salary
$171,4782025
Full 2025 roster at Regional Municipality of Halton →·See where $171,478 ranks →
Total Compensation History
Full History
2018–2025
$101,833 in 2018 is worth about $125,345 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Sap Business PartnerRegional Municipality Of Halton | $171,478Benefits $781Total $172,259 |
| 2024 | Sap Business PartnerRegional Municipality Of Halton | $152,606Benefits $724Total $153,330 |
| 2023 | SAP Business PartnerRegional Municipality Of Halton | $137,902Benefits $653Total $138,555 |
| 2022 | Manager, Financial ReportingRegional Municipality Of Halton | $133,270Benefits $629Total $133,898 |
| 2021 | Manager, Financial ReportingRegional Municipality Of Halton | $131,566Benefits $588Total $132,154 |
| 2020 | Manager, Financial ReportingRegional Municipality Of Halton | $125,301Benefits $557Total $125,858 |
| 2019 | Manager, Financial ReportingRegional Municipality Of Halton | $112,913Benefits $534Total $113,446 |
| 2018 | Manager, Financial ReportingRegional Municipality of Halton | $101,833Benefits $481Total $102,314 |
Take-Home Pay
(After Tax) · 2025 estimate
Karyn Smithard-Costanzo was paid $171,478 in 2025; after income tax, CPP and EI that is roughly $115,705, an effective income-tax rate of about 29.3%. That is about 12% more than the $152,606 paid in 2024. On total compensation of $172,259, Karyn Smithard-Costanzo ranked #175 of 2,135 disclosed at Regional Municipality of Halton that year, where the median salary was $128,827. After pension contributions (probably OMERS in this sector), take-home is usually a further 7–10% lower.
- Estimated net pay
- ~$115,705
- Effective income-tax rate (excl. CPP/EI)
- ~29.3%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~32.5%
Where does $171,478 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.