As of July 01, 2026, the average salary for a Janitor III in California is $50,983 per year, which breaks down to an hourly rate of $25.
However, a Janitor III's salary can vary significantly. Here’s a look at the typical salary range:
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Janitor III Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $56,350 | $4,696 | $1,084 | $27 |
| Average | $50,983 | $4,249 | $980 | $25 |
| 25th Percentile | $46,772 | $3,898 | $899 | $22 |
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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.
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:
| Job Role | Years of Experience | Average Salary |
|---|---|---|
| Janitor I | 0-1 years | $41,150 |
| Janitor II | 1-3 years | $46,029 |
| Janitor III | 3-5 years | $50,983 |
| Janitorial Supervisor | 5+ years | $54,878 |
| Janitorial Manager | 5+ years | $86,120 |
What Am I Worth?
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:
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:
Janitor III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $57,024. While startup companies pay approximate $48,225.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $48,225 |
| Growth Stage | 51~500 | $51,006 |
| Established | 501~5000 | $55,067 |
| Enterprise | 5000+ | $57,024 |
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.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Aerospace & Defense | $61,179 | $29.0 | 20% |
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.
| Annual Salary | Monthly Pay | Weekly Pay | Hourly Wage | |
|---|---|---|---|---|
| 75th Percentile | $56,350 | $4,696 | $1,084 | $27 |
| Average | $50,983 | $4,249 | $980 | $25 |
| 25th Percentile | $46,772 | $3,898 | $899 | $22 |
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 $54,878 - a projected growth of 8% over your current level.
Ready to take the next step in your career? Browse thousands of current Janitor III job openings on our job board. Use the search bar below to find your perfect match.
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