Borough of South Plainfield
John Kostrowski in 2023 was employed at Borough of South Plainfield and had an annual salary of $100,409, according to public records. This salary was 8 percent higher than the average and 21 percent higher than the median salary in Borough of South Plainfield.
Public records show John Kostrowski working for Borough of South Plainfield from 2022 to 2024.
According to the public records employee's salary increased by $63,676 from 2022 to 2023, which is a 173.4 percent rise.
| Year | 2023 |
| Full Name | John Kostrowski |
| Job Title | N/A |
| State | New Jersey |
| Employer | Borough of South Plainfield |
| Annual Wage | $100,409 |
| Pay Plan |
*Information may include where available: salary, bonuses, benefits, retirement contributions, pensions, and other financial data.
| Employer Name | Borough of South Plainfield |
| Year | 2023 |
| Number of Employees | 136 |
| Average Annual Wage | $92,620 |
| Median Annual Wage | $82,960 |
John Kostrowski (2024) | View Person Details |
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