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Lucia Costanzo

University of Guelph/Associate Librarian

2025 Salary

$138,314

Total compensation $138,816, including $501 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

#883

University of Guelph

Years on List

3

2023–2025

Peak Salary

$138,314

2025

Full 2025 roster at University of Guelph →·See where $138,314 ranks →

Total Compensation History

Total compensation by yearLine chart of 3 yearly values of total compensation, from $103,202 in 2023 to $138,816 in 2025.$100K$110K$120K$130K$140K202320242025
Total compensation, 2023–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2023–2025

$102,783 in 2023 is worth about $107,429 in 2025 dollars.

Full salary history, by year
YearPositionSalary
2025Associate LibrarianUniversity Of Guelph$138,314Benefits $501Total $138,816
2024Assistant LibrarianUniversity Of Guelph$111,264Benefits $431Total $111,696
2023Assistant LibrarianUniversity Of Guelph$102,783Benefits $419Total $103,202

Take-Home Pay
(After Tax) · 2025 estimate

Lucia Costanzo was paid $138,314 in 2025; after income tax, CPP and EI that is roughly $97,255, an effective income-tax rate of about 25.7%. For comparison, the median Associate Librarian on the 2025 list was paid $178,351; this salary is about 22% less. That is about 24% more than the $111,264 paid in 2024. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.

Estimated net pay
~$97,255
Effective income-tax rate (excl. CPP/EI)
~25.7%
CPP + EI contributions
~$5,507
All-in deduction rate (incl. CPP/EI)
~29.7%
vs. 2025 Associate Librarian median
−22%

Where does $138,314 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.

Also at University of Guelph
2025

View all 1,504 employees at University of Guelph (2025) →