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Janitor III Salary in the United States

How much does a Janitor III make in the United States?

As of August 01, 2026, the average salary for a Janitor III in the United States is $46,225 per year, which breaks down to an hourly rate of $22.

However, a Janitor III's salary can vary significantly. Here’s a look at the typical salary range:

  • Top Earners (90th percentile): $55,508
  • Majority Range (25th-75th percentile): $42,401 to $51,084
  • Entry-Level (10th percentile): $38,919
Salary Factors Salary-Boosting Skills Salary by Experience Related Job Salaries Top Paying Cities Explore Related Jobs

Key Factors That Influence Janitor III Salaries

A Janitor III'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 Janitor III Salaries?

Experience is a primary driver of a Janitor III'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:

  • Janitor I (0-1 years): $37,306
  • Janitor II (1-3 years): $41,734
  • Janitor III (3-5 years): $46,225
  • Janitorial Supervisor (5+ years): $49,753
  • Janitorial Manager (5+ years): $78,087
Job Role Years of Experience Average Salary
Janitor I0-1 years$37,306
Janitor II1-3 years$41,734
Janitor III3-5 years$46,225
Janitorial Supervisor5+ years$49,753
Janitorial Manager5+ years$78,087
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How Do Janitor IIIs Salaries Vary from State to State?

Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Janitor IIIs. For example, consider the average annual salaries in these key locations:
  • District of Columbia: $51,180.
  • California: $50,986.
  • Massachusetts: $50,307.

Top Paying Cities for Janitor III

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:

  • San Jose: $58,304
  • San Francisco: $57,665
  • Oakland: $56,450

Janitor III Salary by Company Size: Startups vs. Enterprise

Janitor III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $51,746. While startup companies pay approximate $43,776.

Janitor III Salary by Company Size

Company Size Employees Average Salary
Startup 1~50 $43,776
Growth Stage 51~500 $46,298
Established 501~5000 $49,970
Enterprise 5000+ $51,746

Janitor III Salary by Industry: Top Paying Sectors

For Janitor III roles, the industry you choose can affect earning potential by as much as 40% (the gap between the highest and lowest paying industries). Data shows that the Aerospace & Defense and Business Services sectors offer the strongest compensation, at 20% above the average. In contrast, Janitor positions in Biotechnology or Transportation typically offer lower base pay, as these industries often view Janitor III as a support function rather than a direct revenue driver.

The top paying industry for a Janitor III

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Aerospace & Defense$55,470$27.020%

Janitor III Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how a Janitor III'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.

Last Updated on August 01, 2026
$42,401
Average $46,225/year
$51,084
$3,533
Average $3,852/month
$4,257
$815
Average $889/week
$982
$20
Average $22/hour
$25
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $51,084 $4,257 $982 $25
Average $46,225 $3,852 $889 $22
25th Percentile $42,401 $3,533 $815 $20

Janitor III Salary Growth & Career Path

Janitor III

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Advancement

For a Janitor III, the most direct path to higher earnings is advancing to the Janitorial Supervisor role. This promotion typically comes with a significant pay increase, bringing the average annual salary to $49,753 - a projected growth of 8% over your current level.

Most common benefits for Janitor III

  • Social Security
  • 401 (k)
  • Disability
  • Healthcare
  • Pension
  • Time Off (days)

Common company salaries for Janitor III

Here are companies hiring for Janitor III and their salaries, click below for more details.

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FAQ about Janitor III

1. Where can a Janitor III earn the most?

A Janitor III's earning potential can vary widely depending on several factors, including location, industry, experience, education, and the specific employer. According to the latest salary data by Salary.com, a Janitor III earns the most in San Jose, CA, where the annual salary of a Janitor III is $58,304.

2. What is the highest pay for Janitor III?

The highest pay for Janitor III is $55,508.

3. What is the lowest pay for Janitor III?

The lowest pay for Janitor III is $38,919.

4. What are the responsibilities of Janitor III?

Cleans and maintains buildings, facilities, and equipment. Uses cleaning tools and other products to create a clean, healthy environment. Removes and disposes trash, recycling, and other waste following the appropriate policies. May have basic maintenance skills and make minor repairs in the facility. May require a high school diploma. Typically reports to a supervisor or manager. Works independently within established procedures associated with the specific job function. Has gained proficiency in multiple competencies relevant to the job. Typically requires 3-5 years of related experience.

5. What industry pays the highest salary for Janitor III?

The Aerospace & Defense industry offers the highest average compensation for Janitor III roles, with salaries approximately 20% above the market median.

Where Does Our Salary Data Come From?

Salary.com provides salary estimates, histograms, trends, and comparisons using data from employer job postings and third-party sources.

We offer detailed salary information across multiple percentiles for your reference. (Click here to learn Why the Salary Midpoint Formula Is Crucial for Achieving Pay Equity.)

With the most extensive online, real-time compensation data available, Salary.com helps you pinpoint your exact pay target.

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