Matthew Costello
Niagara Health System/Data Architect/Architecte de données
2025 Salary
$133,894Total compensation $134,480, including $586 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
#286Niagara Health System
Years on List
62020–2025
Peak Salary
$133,8942025
Full 2025 roster at Niagara Health System →·See where $133,894 ranks →
Total Compensation History
Full History
2020–2025
$105,018 in 2020 is worth about $125,868 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Data Architect/Architecte de donnéesNiagara Health System | $133,894Benefits $586Total $134,480 |
| 2024 | Data Architect/Architecte de donnéesNiagara Health System | $130,487Benefits $590Total $131,078 |
| 2023 | Enterprise Architect / Architecte d'entrepriseNiagara Health System | $128,774Benefits $782Total $129,556 |
| 2022 | Enterprise Architect / Architecte d’entrepriseNiagara Health System | $112,684Benefits $746Total $113,430 |
| 2021 | Enterprise Architect / Architecte d’entrepriseNiagara Health System | $108,628Benefits $716Total $109,344 |
| 2020 | Enterprise Architect / Architecte d’entrepriseNiagara Health | $105,018Benefits $711Total $105,729 |
Take-Home Pay
(After Tax) · 2025 estimate
In 2025, Matthew Costello's $133,894 salary works out to roughly $94,754 after income tax, CPP and EI — an all-in deduction rate of about 29.2%. For comparison, the median Data Architect on the 2025 list was paid $130,493; this salary is about 3% more. Matthew Costello has appeared on the list 6 times since 2020. Most Hospitals & Boards of Public Health employees belong to HOOPP, so actual take-home is likely another 7–10% lower after pension contributions.
- Estimated net pay
- ~$94,754
- Effective income-tax rate (excl. CPP/EI)
- ~25.1%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~29.2%
- vs. 2025 Data Architect median
- +3%
Where does $133,894 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.