Maintenance Supervisor salary in New Castle County, DE

The average salary for a maintenance supervisor in New Castle County, DE is $62,000 per year. Maintenance supervisor salaries in New Castle County, DE can vary between $35,000 to $136,000 and depend on various factors, including skills, experience, employer, bonuses, tips, and more.

This data is exclusive to Mint Salary and is based on 15 tax returns from TurboTax customers who reported their occupation as maintenance supervisor.

The following cities offer the highest salaries for maintenance supervisors in New Castle County, DE: Brooklyn, NY ($76,000 a year), Philadelphia, PA ($59,500 a year), and Baltimore, MD ($55,500 a year).