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Administrative Assistant III Salary in the United States

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

As of May 01, 2026, the average salary for an Administrative Assistant III in the United States is $63,066 per year, which breaks down to an hourly rate of $30.

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

  • Top Earners (90th percentile): $76,584
  • Majority Range (25th-75th percentile): $56,669 to $70,142
  • Entry-Level (10th percentile): $50,845
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View as table View as graph 25% $56,669 10% $50,845 90% $76,584 75% $70,142 $63,066 50%(Median) Didn’t find job title? Click

Administrative Assistant III Salaries by Percentile

Annual
Salary
Monthly
Pay
Weekly
Pay
Hourly
Wage
75th Percentile $70,142 $5,845 $1,349 $34
Average $63,066 $5,256 $1,213 $30
25th Percentile $56,669 $4,722 $1,090 $27
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Key Factors That Influence Administrative Assistant III Salaries

An Administrative 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, education and company size can directly affect your earning potential.

How Experience Level Affects Administrative Assistant Salaries?

Experience is a primary driver of an Administrative 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:

  • Administrative Assistant I (0-1 years): $45,079
  • Administrative Assistant II (1-3 years): $52,991
  • Administrative Assistant III (3-5 years): $63,066
  • Administrative Assistant IV (5-7 years): $73,982
Job Role Years of Experience Average Salary
Administrative Assistant I0-1 years$45,079
Administrative Assistant II1-3 years$52,991
Administrative Assistant III3-5 years$63,066
Administrative Assistant IV5-7 years$73,982
$45,079 Administr...
$52,991 Administr...
$63,066 Administr...
$73,982 Administr...
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What Am I Worth?

Top Paying Cities for Administrative 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: $79,545
  • San Francisco: $78,674
  • Oakland: $77,016

What Skills Can Increase an Administrative Assistant III's Salary?

Demanded Skills for the Role:

  • Customer Service (Mentioned in 9.97% Job Postings): Customer service is the provision of service to customers before, during and after a purchase. The perception of success of such interactions is dependent on employees "who can adjust themselves to the personality of the guest". Customer service concerns the priority an organization assigns to customer service relative to components such as product innovation and pricing. In this sense, an organization that values good customer service may spend more money in training employees than the average organization or may proactively interview customers for feedback. From the point of view of an overall sales process engineering effort, customer service plays an important role in an organization's ability to generate income and revenue. From that perspective, customer service should be included as part of an overall approach to systematic improvement. One good customer service experience can change the entire perception a customer holds towards the organization.
  • Accounting (Mentioned in 2.93% Job Postings): Creating financial statements and reports based on the summary of financial and business transactions.
  • Purchasing (Mentioned in 1.24% Job Postings): Purchasing refers to a business or organization attempting to acquire goods or services to accomplish its goals. Although there are several organizations that attempt to set standards in the purchasing process, processes can vary greatly between organizations. Typically the word “purchasing” is not used interchangeably with the word “procurement”, since procurement typically includes expediting, supplier quality, and transportation and logistics (T&L) in addition to purchasing.
See More Skills
Skills Demand Percentage
Customer Service 9.97%
Accounting 2.93%
Purchasing 1.24%
What skills can make your compensation higher?
Mastering certain specialized skills can lead to a significant increase in pay. Here are examples of skills and the potential impact they can have on an Administrative Assistant III's salary.
  • Project Management: Can increase your salary by up to 10%.
  • Consulting: Can increase your salary by up to 9%.
  • Leadership: Can increase your salary by up to 8%.
Skill Salary Salary % Increase
Project Management
$69,373
10%
Consulting
$68,742
9%
Leadership
$68,111
8%
Collaboration
$67,481
7%
Innovation
$67,481
7%
Analysis
$66,219
5%
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How Education impacts an Administrative Assistant III's Salary?

Your level of education can impact your salary potential. While many Administrative Assistant IIIs enter the field with a High School Diploma or Technical Certificate degree, higher education can lead to more specialized and higher-paying roles.

According to our 100% employer-reported salary data, the median salary for an Administrative Assistant III with a High School Diploma or Technical Certificate is between $61,747 and $65,693).

Administrative Assistant III Salaries by Degree Level

Typical Education for Administrative Assistant III
Degree Level % of user with this level of education
No Diploma 0.8%
High School 35.0%
Associates 22.8%
Bachelors 37.0%
Masters 4.1%
Doctorate 0.2%
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Administrative Assistant III Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Administrative 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 May 01, 2026

Administrative Assistant III Salary Growth & Career Path

For an Administrative Assistant III, the most direct path to higher earnings is advancing to the Administrative Assistant IV role. This promotion typically comes with a significant pay increase, bringing the average annual salary to $73,982 - a projected growth of 17% over your current level.

Salary Trends for Administrative Assistant III

Salaries for an Administrative Assistant III can change over time, reflecting shifts in market demand and the overall economy. The median salary decreased from $46,895 in 2023 to around $45,907 in 2025, reflecting changes in demand, location, experience, and the wider economy. For a detailed analysis of Administrative Assistant III salary trends, .

Average Annual Salary of Administrative Assistant III Over Time

2022
$???
2023
$46,895
2024
$46,228
2025
$45,907
2026
$???
2027
$???
Year Average Annual Salary
2022
View More
2023 $46,895
2024 $46,228
2025 $45,907
2026
View More
2027
View More

Most common benefits for Administrative Assistant III

Social Security
401(k)
Disability
Healthcare
Pension
Time Off (days)
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Common company salaries for Administrative Assistant III

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

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FAQ about Administrative Assistant III

1. Where can an Administrative Assistant III earn the most?

An Administrative Assistant 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, an Administrative Assistant III earns the most in San Jose, CA, where the annual salary of an Administrative Assistant III is $79,545.

2. What is the highest pay for Administrative Assistant III?

The highest pay for Administrative Assistant III is $76,584.

3. What is the lowest pay for Administrative Assistant III?

The lowest pay for Administrative Assistant III is $50,845.

4. What are the responsibilities of Administrative Assistant III?

Provides administrative support to an individual, team, department or group in an organization. Collects, reviews and analyzes data and prepares reports, charts, budgets, and other presentation materials utilizing word processing, spreadsheet, or specialized software. Prepares and distributes reports or other communications on a regular schedule. Maintains files, databases, and archives of relevant records. Screens calls and responds to or routes routine inquiries from external or internal sources with appropriate correspondence or other messaging. Schedules and coordinates meetings, travel, and other group activities. May manage expense reporting, invoicing, office supply inventory, or other routine processes. Requires 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.

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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