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Environmental Assistant III Salary in the United States

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

As of September 01, 2026, the average salary for an Environmental Assistant III in the United States is $67,290 per year, which breaks down to an hourly rate of $32.

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

  • Top Earners (90th percentile): $78,562
  • Majority Range (25th-75th percentile): $62,790 to $73,190
  • Entry-Level (10th percentile): $58,693
Salary Factors Salary-Boosting Skills Salary by Experience Related Job Salaries Top Paying Cities Explore Related Jobs

Key Factors That Influence Environmental Assistant III Salaries

An Environmental 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 Environmental Assistant Salaries?

Experience is a primary driver of an Environmental 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:

  • Entry Environmental Engineering Technician (0-1 years): $51,599
  • Environmental Analysis Technician II (1-3 years): $60,352
  • Environmental Assistant III (3-5 years): $67,262
  • Environmental Analysis Technician IV (5-7 years): $83,582
  • Environmental Analysis Supervisor (7+ years): $89,979
Job Role Years of Experience Average Salary
Entry Environmental Engineering Technician0-1 years$51,599
Environmental Analysis Technician II1-3 years$60,352
Environmental Assistant III3-5 years$67,262
Environmental Analysis Technician IV5-7 years$83,582
Environmental Analysis Supervisor7+ years$89,979
View as Graph

How Do Environmental 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 Environmental Assistant IIIs. For example, consider the average annual salaries in these key locations:
  • District of Columbia: $74,490.
  • California: $74,190.
  • Massachusetts: $73,290.

Top Paying Cities for Environmental 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: $84,890
  • San Francisco: $83,990
  • Oakland: $82,190

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

Demanded Skills for the Role:

  • Consulting (Mentioned in 6.06% Job Postings): Providing technical or business expertise and advice to internal or external clients.
  • Consulting Services (Mentioned in 3.03% Job Postings): Consulting Services means the provision of expertise or strategic advice that is presented for consideration and decision-making.
  • Equipment Maintenance (Mentioned in 3.03% Job Postings): Keeping business equipment in reliable working order and condition to lessen downtime and assure equipment safety.
Skills Demand Percentage
Consulting 6.06%
Consulting Services 3.03%
Equipment Maintenance 3.03%
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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 Environmental Assistant III's salary.

  • Client Management: Can increase your salary by up to 12%.
  • Communicates Effectively: Can increase your salary by up to 7%.
  • Equipment Maintenance: Can increase your salary by up to 4%.
Skill Salary Salary % Increase
Client Management $75,365
12%
Communicates Effectively $72,000
7%
Equipment Maintenance $69,982
4%
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Environmental Assistant III Salary by Company Size: Startups vs. Enterprise

Environmental Assistant III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $75,199. While startup companies pay approximate $63,611.

Environmental Assistant III Salary by Company Size

Company Size Employees Average Salary
Startup 1~50 $63,611
Growth Stage 51~500 $67,275
Established 501~5000 $72,615
Enterprise 5000+ $75,199

Environmental Assistant III Salary by Industry: Top Paying Sectors

For Environmental 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 Aerospace & Defense and Biotechnology sectors offer the strongest compensation, at 20% above the average. In contrast, Environmental Assistant positions in Hospitality & Leisure or Healthcare typically offer lower base pay, as these industries often view Environmental Assistant III as a support function rather than a direct revenue driver.

The top paying industries for an Environmental Assistant III

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Aerospace & Defense$80,748$39.020%
Biotechnology$80,748$39.020%
Business Services$80,748$39.020%
Chemicals$80,748$39.020%
Construction$80,748$39.020%

How Education impacts an Environmental Assistant III's Salary?

Your level of education can impact your salary potential. While many Environmental Assistant IIIs enter the field with a Bachelor's Degree 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 Environmental Assistant III with a Bachelor's Degree is between $73,183 and $78,308).

Environmental Assistant III Salaries by Degree Level

Typical Education for Environmental Assistant III
Degree Level % of user with this level of education
No Diploma 13.5%
High School 13.5%
Associates 11.5%
Bachelors 61.5%
Masters 13.5%
Doctorate 0.0%
View as Graph

Environmental Assistant III Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Environmental 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
$62,790
Average $67,290/year
$73,190
$5,233
Average $5,608/month
$6,099
$1,208
Average $1,294/week
$1,408
$30
Average $32/hour
$35
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $73,190 $6,099 $1,408 $35
Average $67,290 $5,608 $1,294 $32
25th Percentile $62,790 $5,233 $1,208 $30

Environmental Assistant III Salary Growth & Career Path

Environmental Assistant III

Next Role

Advancement

For an Environmental Assistant III, the most direct path to higher earnings is advancing to the Environmental Analysis Technician IV role. This promotion typically comes with a significant pay increase, bringing the average annual salary to $83,600 - a projected growth of 24% over your current level.

Most common benefits for Environmental Assistant III

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

Common company salaries for Environmental Assistant III

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

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FAQ about Environmental Assistant III

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

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

2. Is being an assistant a career?

Yes, being an assistant can be a viable career path. With dedication and success, you can advance to higher-level positions, such as executive assistant roles in larger companies. The salary range for an Environmental Assistant typically falls between $66,890 and $86,090, with a mid-salary of $76,490, reflecting the potential for growth in this field.

3. How much does a CNA earn in USA?

The average salary for an Environmental Assistant in the USA ranges from $66,890 to $86,090 per year, with a mid-salary of $76,490. This reflects the growing demand for environmental professionals and the importance of their role in sustainability efforts.

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 $66,890 to $86,090. Other well-paying roles include Legal Administrative Assistant and Human Resources Administrator, with mid-range salaries around $76,490. These positions offer competitive compensation and opportunities for career advancement.

5. Is environmental a good career?

If you're passionate about caring for the planet and contributing to sustainability, a career in environmental science could be ideal. Environmental Assistants earn between $66,890 and $86,090, with a median salary of $76,490. The U.S. Bureau of Labor Statistics projects significant job growth in this field through the 2030s, making it a promising career choice.

6. What is level 3 qualification equivalent to in the US?

A Diploma Level 3 in the UK is equivalent to A-levels, BTEC National Diploma, NVQ Level 3, and Advanced Apprenticeship. In the US, it corresponds to a High School Diploma or GED. Environmental Assistants in the US can expect salaries ranging from $66,890 to $86,090, with a median salary of $76,490.

7. Do environmental jobs pay well?

Environmental jobs can offer competitive salaries. For an Environmental Assistant, the salary ranges from $66,890 to $86,090, with a median salary of $76,490. A bachelor's degree in sustainability, environmental science, or a related field is typically required, and job growth in this sector is projected to be 8% from 2020 to 2030.

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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