Middlesex Sheriff's Office
Correction Officer
John Efstathiou in 2025 was employed at Middlesex Sheriff's Office and had an annual salary of $106,299, according to public records. This salary was 39 percent higher than the average and 23 percent higher than the median salary in Middlesex Sheriff's Office.
Middlesex Sheriff's Office records show John Efstathiou held job of Correction Officer from 2019 to 2025.
In year 2025 John Efstathiou's salary was 1 percent lower than average Correction Officer salary in the state of Massachusetts.
According to the public records employee's salary increased by $9,553 from 2024 to 2025, which is a 9.9 percent rise. Since 2019, the salary has increased by $20,018, a total rise of 23.2 percent.
| Year | 2025 |
| Full Name | John Efstathiou |
| Job Title | Correction Officer |
| Get Correction Officer Salary Statistics | |
| State | Massachusetts |
| Employer | Middlesex Sheriff's Office |
| Annual Wage | $106,299 |
| Pay Plan |
*Information may include where available: salary, bonuses, benefits, retirement contributions, pensions, and other financial data.
| Employer Name | Middlesex Sheriff's Office |
| Year | 2025 |
| Number of Employees | 868 |
| Average Annual Wage | $76,484 |
| Median Annual Wage | $86,448 |
John Efstathiou (2024)Correction Officer | View Person Details |
John Efstathiou (2023)Correction Officer | View Person Details |
John Efstathiou (2022)Correction Officer | View Person Details |
John Efstathiou (2021)Correction Officer | View Person Details |
John Efstathiou (2020)Correction Officer | View Person Details |
John Efstathiou (2019)Correction Officer | View Person Details |
Nancy Parziale (2025)Comptroller at Middlesex Sheriff's Office | View Person Details |
Kerryn Sousa (2025)Case Manager at Middlesex Sheriff's Office | View Person Details |
Anthony Cunha (2025)Correction Officer at Middlesex Sheriff's Office | View Person Details |
Michael Center (2025)Sergeant at Middlesex Sheriff's Office | View Person Details |
Collins Dibia (2025)Correction Officer at Middlesex Sheriff's Office | View Person Details |
Daniel Tine (2025)Correction Officer at Middlesex Sheriff's Office | View Person Details |
Andrew Gladyszak (2025)Correction Officer at Middlesex Sheriff's Office | View Person Details |
Susan Lee (2025)Humv Program Manager at Middlesex Sheriff's Office | View Person Details |
Sam Giblin (2025)Correction Officer at Middlesex Sheriff's Office | View Person Details |
Thomas Hogan (2025)Sco/Rn at Middlesex Sheriff's Office | View Person Details |