Massachusetts State Police
Lieutenant
Mark O'Brien in 2025 was employed at Massachusetts State Police and had an annual salary of $108,706, according to public records. This salary was 1 percent lower than the average and 1 percent lower than the median salary in Massachusetts State Police.
In year 2025 Mark O'Brien's salary was 21 percent lower than average Lieutenant salary in the state of Massachusetts.
| Year | 2025 |
| Full Name | Mark O'Brien |
| Job Title | Lieutenant |
| Get Lieutenant Salary Statistics | |
| State | Massachusetts |
| Employer | Massachusetts State Police |
| Annual Wage | $108,706 |
| Pay Plan |
*Information may include where available: salary, bonuses, benefits, retirement contributions, pensions, and other financial data.
| Employer Name | Massachusetts State Police |
| Year | 2025 |
| Number of Employees | 4,271 |
| Average Annual Wage | $109,708 |
| Median Annual Wage | $110,226 |
Mark O'Brien (2025)State Police Sergeant | View Person Details |
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