Middlesex Sheriff's Office
Correction Officer
Robert Kostka in 2025 was employed at Middlesex Sheriff's Office and had an annual salary of $89,864, according to public records. This salary was 17 percent higher than the average and 4 percent higher than the median salary in Middlesex Sheriff's Office.
Middlesex Sheriff's Office records show Robert Kostka held job of Correction Officer from 2019 to 2025.
In year 2025 Robert Kostka's salary was 16 percent lower than average Correction Officer salary in the state of Massachusetts.
According to the public records employee's salary increased by $19,632 from 2024 to 2025, which is a 28.0 percent rise. Since 2019, the salary has increased by $22,299, a total rise of 33.0 percent.
| Year | 2025 |
| Full Name | Robert Kostka |
| Job Title | Correction Officer |
| Get Correction Officer Salary Statistics | |
| State | Massachusetts |
| Employer | Middlesex Sheriff's Office |
| Annual Wage | $89,864 |
| 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 |
Robert Kostka (2024)Correction Officer | View Person Details |
Robert Kostka (2023)Correction Officer | View Person Details |
Robert Kostka (2022)Correction Officer | View Person Details |
Robert Kostka (2021)Correction Officer | View Person Details |
Robert Kostka (2020)Correction Officer | View Person Details |
Robert Kostka (2019)Correction Officer | View Person Details |
Jose Rosario (2025)Correction Officer at Middlesex Sheriff's Office | View Person Details |
Robert Delleo (2025)Civil Enforcement Unit Deputy at Middlesex Sheriff's Office | View Person Details |
Israel Aupont (2025)Correction Officer at Middlesex Sheriff's Office | View Person Details |
Patricia Stevenson (2025)Dna Coordinator at Middlesex Sheriff's Office | View Person Details |
Kyle Venne (2025)Correction Officer at Middlesex Sheriff's Office | View Person Details |
Charles Lacroix (2025)Correction Officer at Middlesex Sheriff's Office | View Person Details |
Allison Lemay (2025)Correction Officer at Middlesex Sheriff's Office | View Person Details |
Kenneth Reis (2025)Correction Officer at Middlesex Sheriff's Office | View Person Details |
Robert Coupal (2025)Correction Officer at Middlesex Sheriff's Office | View Person Details |
Gweah Daylue (2025)Correction Officer at Middlesex Sheriff's Office | View Person Details |