How much does an Assistant Custodian make in Massachusetts? As of September 01, 2026, the average salary for an Assistant Custodian in Massachusetts is $40,134 per year, which breaks down to an hourly rate of $19.

However, an Assistant Custodian's salary can vary significantly. Here's a look at the typical salary range:

  • Top Earners (90th percentile): $45,690
  • Majority Range (25th-75th percentile): $36,681 to $43,042
  • Entry-Level (10th percentile): $33,538

Key Factors That Influence Assistant Custodian Salaries

An Assistant Custodian's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location and company size can directly affect your earning potential.

How Experience Level Affects Assistant Custodian Salaries?

Experience is a primary driver of an Assistant Custodian's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here's how the average salary grows at different career stages:

  • Entry-Level (less than 1 year): $39,528
  • Early Career (1-2 years): $44,222
  • Mid-Level (2-4 years): $48,983
  • Senior-Level (5-8 years): $58,723
  • Expert (over 8 years): $82,748
Job RoleYears of ExperienceAverage Salary
Assistant Custodian less than 1 year $39,528
Janitor II 1-2 years $44,222
Janitor III 2-4 years $48,983
Janitorial Supervisor 5-8 years $58,723
Janitorial Manager over 8 years $82,748

Top Paying Cities for Assistant Custodian

Salaries can also vary between different cities. Major metropolitan areas or cities with a high demand for technicians often offer more competitive pay. Here are a few examples of average annual salaries in different U.S. cities:

  • Agawam: $38,042
  • Amherst: $38,320
  • Barre: $38,703

Assistant Custodian Salary by Industry: Top Paying Sectors

For Assistant Custodian roles, the industry you choose can affect earning potential by as much as 50% (the gap between the highest and lowest paying industries). Data shows that the Internet and Biotechnology sectors offer the strongest compensation, at 30% above the average. In contrast, Assistant Custodian positions in Hospitality & Leisure or Transportation typically offer lower base pay, as these industries often view Assistant Custodian as a support function rather than a direct revenue driver.

The top paying industries for an Assistant Custodian

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Internet $52,174 $25.0 30%
Biotechnology $48,161 $23.0 20%
Pharmaceuticals $47,358 $23.0 18%
Aerospace & Defense $46,154 $22.0 15%
Energy & Utilities $44,950 $22.0 12%

Assistant Custodian Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Assistant Custodian's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.

  • Yearly
  • Monthly
  • Weekly
  • Hourly
  • Table View
Last Updated on September 01, 2026
$36,681
Average $40,134/year
$43,042
$3,057
Average $3,345/month
$3,587
$705
Average $772/week
$828
$18
Average $19/hour
$21
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $43,042 $3,587 $828 $21
Average $40,134 $3,345 $772 $19
25th Percentile $36,681 $3,057 $705 $18

Find Your Next Assistant Custodian Job

Ready to take the next step in your career? Browse thousands of current Assistant Custodian job openings on our job board. Use the search bar below to find your perfect match.

  • ARAMARK | MUSKEGON HEIGHTS, MI

    ARAMARK | MUSKEGON HEIGHTS, MI

    ARAMARK is seeking a dependable Custodian to support our Facilities & Maintenance team in Facility Services. In this role, you’ll perform daily cleaning an... more

    2 Days Ago

  • O'Reilly Automotive | BROOKLYN, MN

    O'Reilly Automotive | BROOKLYN, MN

    O’Reilly Automotive is seeking a reliable Distribution Center Custodian to keep our high‑volume facility clean, safe, and organized. In this role you will ... more

    1 Day Ago

  • Powerback Rehabilitation | MARLINTON, WV

    Powerback Rehabilitation | MARLINTON, WV

    PowerBack Rehabilitation is seeking a dedicated Occupational Therapy Assistant (OTA) to join our team. Located across a network of clinics, our facilities ... more

    1 Day Ago

  • Hartford Healthcare | BETHLEHEM, CT

    Hartford Healthcare | BETHLEHEM, CT

    Hartford Healthcare is seeking an Assistant to support clinical and administrative operations in our busy care facilities. In this role, you will welcome a... more

    2 Days Ago

  • Hartford Healthcare | ROCKY HILL, CT

    Hartford Healthcare | ROCKY HILL, CT

    Hartford Healthcare is seeking an Assistant to support clinical and administrative operations in our busy care facilities. In this role, you will welcome a... more

    2 Days Ago

  • Hartford Healthcare | WATERBURY, CT

    Hartford Healthcare | WATERBURY, CT

    Hartford Healthcare is seeking an Assistant to support clinical and administrative operations in our busy care facilities. In this role, you will welcome a... more

    2 Days Ago

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Where Does Our Salary Data Come From?

Salary.com salary estimates, histograms, trends, and comparisons are derived from both employer job postings and third-party data sources. We also provide multiple percentiles of salary information for your reference, click here to know Why the Salary Midpoint Formula Is Crucial to Getting Pay Equity Right. With more online, real-time compensation data than any other website, Salary.com helps you determine your exact pay target.

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