As of May 01, 2026, the average annual salary for Assistant Investigator in Massachusetts is $49,320, equivalent to $24 per hour, $948 weekly, or $4,110 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Assistant Investigator in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for Assistant Investigator in Massachusetts vary widely, spanning from $40,006 to $59,474. Most professionals fall between the 25th percentile ($44,445) and 75th percentile ($54,635), while top earners (90th percentile) make $59,474 per year. This $10,190 pay gap underscores opportunities for salary growth through certifications, specialized skills like Commitment or Document Review, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Massachusetts Assistant Investigator often earn 8.8% higher than national averages due to demand from Fortune 43 companies. However, Massachusetts currently ranks 3 nationwide for Assistant Investigator job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.