Executive Office of the Trial Court
First Asst Clerk Magistrate
John Costello in 2025 was employed at Executive Office of the Trial Court and had an annual salary of $140,129, according to public records. This salary was 87 percent higher than the average and 100 percent higher than the median salary in Executive Office of the Trial Court.
Executive Office of the Trial Court records show John Costello held two jobs from 2019 to 2025. From 2022 to 2025 John Costello held job of First Asst Clerk Magistrate.
Since 2019, the salary has increased by $25,307, a total rise of 22.0 percent.
| Year | 2025 |
| Full Name | John Costello |
| Job Title | First Asst Clerk Magistrate |
| Get First Asst Clerk Magistrate Salary Statistics | |
| State | Massachusetts |
| Employer | Executive Office of the Trial Court |
| Annual Wage | $140,129 |
| Pay Plan |
*Information may include where available: salary, bonuses, benefits, retirement contributions, pensions, and other financial data.
| Employer Name | Executive Office of the Trial Court |
| Year | 2025 |
| Number of Employees | 8,702 |
| Average Annual Wage | $75,001 |
| Median Annual Wage | $69,938 |
John Costello (2024)First Asst Clerk Magistrate | View Person Details |
John Costello (2023)First Asst Clerk Magistrate | View Person Details |
John Costello (2022)First Asst Clerk Magistrate | View Person Details |
John Costello (2021)Assistant Clerk Magistrate | View Person Details |
John Costello (2020)Assistant Clerk Magistrate | View Person Details |
John Costello (2019)Assistant Clerk Magistrate | View Person Details |
James Ferraro (2025)Assistant Clerk-Remand at Executive Office of the Trial Court | View Person Details |
Justyna Miller (2025)First Asst Clerk Magistrate at Executive Office of the Trial Court | View Person Details |
Stephen Karll (2025)First Asst Clerk Magistrate at Executive Office of the Trial Court | View Person Details |
Angelique Crevier (2025)First Asst Clerk Magistrate at Executive Office of the Trial Court | View Person Details |
Arlene Correia (2025)First Assistant Clerk at Executive Office of the Trial Court | View Person Details |
Tammy Raymond (2025)First Asst Clerk Magistrate at Executive Office of the Trial Court | View Person Details |
Catherine Fitzgerald (2025)Judicial Case Manager at Executive Office of the Trial Court | View Person Details |
Joseph Galvin (2025)First Asst Clerk Magistrate at Executive Office of the Trial Court | View Person Details |
Patrick Creedon (2025)First Asst Clerk Magistrate at Executive Office of the Trial Court | View Person Details |
John Flanagan (2025)Assistant Clerk Magistrate at Executive Office of the Trial Court | View Person Details |