As of May 01, 2026, the average annual salary for Plumbing Engineer in Delaware is $74,689, equivalent to $36 per hour, $1,436 weekly, or $6,224 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Plumbing Engineer in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for Plumbing Engineer in Delaware vary widely, spanning from $55,330 to $88,699. Most professionals fall between the 25th percentile ($64,556) and 75th percentile ($82,022), while top earners (90th percentile) make $88,699 per year. This $17,466 pay gap underscores opportunities for salary growth through certifications, specialized skills like Customer Service or Repairing, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Delaware Plumbing Engineer often earn 1.3% higher than national averages due to demand from Fortune 75 companies. However, Delaware currently ranks 16 nationwide for Plumbing Engineer job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.