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Office Operations Assistant III Salary in the United States

How much does an Office Operations Assistant III make in the United States?

As of September 01, 2026, the average salary for an Office Operations Assistant III in the United States is $59,000 per year, which breaks down to an hourly rate of $28.

However, an Office Operations Assistant III's salary can vary significantly. Here’s a look at the typical salary range:

  • Top Earners (90th percentile): $72,373
  • Majority Range (25th-75th percentile): $52,200 to $66,000
  • Entry-Level (10th percentile): $46,009
Salary Factors Salary-Boosting Skills Salary by Experience Related Job Salaries Top Paying Cities Explore Related Jobs

Key Factors That Influence Office Operations Assistant III Salaries

An Office Operations Assistant 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 Office Operations Assistant Salaries?

Experience is a primary driver of an Office Operations Assistant 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:

  • Office Operations Assistant I (0-1 years): $39,412
  • Office Operations Assistant II (1-3 years): $46,362
  • Office Operations Assistant III (3-5 years): $58,910
  • Office Operations Assistant IV (5-7 years): $66,179
  • Office Operations Supervisor (7+ years): $73,962
Job Role Years of Experience Average Salary
Office Operations Assistant I0-1 years$39,412
Office Operations Assistant II1-3 years$46,362
Office Operations Assistant III3-5 years$58,910
Office Operations Assistant IV5-7 years$66,179
Office Operations Supervisor7+ years$73,962
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How Do Office Operations Assistant III 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 Office Operations Assistant IIIs. For example, consider the average annual salaries in these key locations:
  • District of Columbia: $65,300.
  • California: $65,000.
  • Massachusetts: $64,200.

Top Paying Cities for Office Operations Assistant IIIs

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: $74,400
  • San Francisco: $73,500
  • Oakland: $72,000

Office Operations Assistant III Salary by Company Size: Startups vs. Enterprise

Office Operations Assistant III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $65,935. While startup companies pay approximate $55,774.

Office Operations Assistant III Salary by Company Size

Company Size Employees Average Salary
Startup 1~50 $55,774
Growth Stage 51~500 $58,987
Established 501~5000 $63,669
Enterprise 5000+ $65,935

Office Operations Assistant III Salary by Industry: Top Paying Sectors

For Office Operations Assistant 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 Biotechnology and Aerospace & Defense sectors offer the strongest compensation, at 20% above the average. In contrast, Office Operations Assistant positions in Edu., Gov't. & Nonprofit or Transportation typically offer lower base pay, as these industries often view Office Operations Assistant III as a support function rather than a direct revenue driver.

The top paying industry for an Office Operations Assistant III

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Biotechnology$70,800$34.020%

Office Operations Assistant III Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Office Operations Assistant 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 September 01, 2026
$52,200
Average $59,000/year
$66,000
$4,350
Average $4,917/month
$5,500
$1,004
Average $1,135/week
$1,269
$25
Average $28/hour
$32
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $66,000 $5,500 $1,269 $32
Average $59,000 $4,917 $1,135 $28
25th Percentile $52,200 $4,350 $1,004 $25

Most common benefits for Office Operations Assistant III

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

Common company salaries for Office Operations Assistant III

Here are companies hiring for Office Operations Assistant III and their salaries, click below for more details.

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FAQ about Office Operations Assistant III

1. What industry pays the highest salary for Office Operations Assistant III?

The Biotechnology industry offers the highest average compensation for Office Operations Assistant III roles, with salaries approximately 20% above the market median.

2. How much does an operations assistant earn in California?

In California, the salary for an Office Operations Assistant ranges from a minimum of $54,400 to a maximum of $71,300, with a mid-level salary of $62,600. This reflects a competitive pay scale for this role, ensuring that professionals are compensated fairly based on their experience and skills.

3. How much do assistant operations managers make in the US?

As of January 2025, the salary for an Office Operations Assistant in the United States ranges from $54,400 to $71,300 annually, with a midpoint of $62,600. This translates to approximately $26.12 to $34.29 per hour, or $1,050 to $1,375 per week.

4. What is the highest paid assistant job?

The highest paid assistant job is often the Executive Assistant to the CEO, with salaries typically ranging from $54,400 to $71,300. Other high-paying roles include Legal Administrative Assistant and Human Resources Administrator, with mid-range salaries around $62,600. These positions offer competitive compensation and opportunities for career advancement.

5. Is operations assistant a good job?

An operations assistant is a valuable role that supports a company's efficiency. It can be an excellent career choice for those looking to enter the business or sales sectors, often requiring minimal experience. Salaries for this position range from $54,400 to $71,300, with a midpoint of $62,600, making it a financially rewarding option for aspiring professionals.

6. What is the scale of an office assistant?

The salary scale for an Office Operations Assistant ranges from a minimum of $54,400 to a maximum of $71,300 annually, with a midpoint salary of $62,600. This reflects the competitive compensation for this role, ensuring that office assistants are fairly rewarded for their contributions.

7. What is the salary of assistant operations officer?

The salary for an Office Operations Assistant ranges from HK$54,400 to HK$71,300 annually, with a midpoint of HK$62,600. This reflects the varying levels of experience and responsibilities associated with the role.

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.)

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