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Administrative Assistant - Casual Salary in California

How much does an Administrative Assistant - Casual make in California? As of September 01, 2026, the average salary for an Administrative Assistant - Casual in California is $51,314 per year, which breaks down to an hourly rate of $25.

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

  • Top Earners (90th percentile): $64,637
  • Majority Range (25th-75th percentile): $46,313 to $58,288
  • Entry-Level (10th percentile): $41,761
Salary Factors Salary by Experience Related Job Salaries Top Paying Cities Explore Related Jobs

Check out Administrative Assistant - Casual Job Openings in California

Key Factors That Influence Administrative Assistant - Casual Salaries

An Administrative Assistant - Casual'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 Administrative Assistant - Casual Salaries?

Experience is a primary driver of an Administrative Assistant - Casual'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-Level (less than 1 year): $49,861
  • Early Career (1-2 years): $56,098
  • Mid-Level (2-4 years): $64,587
  • Senior-Level (5-8 years): $86,007
  • Expert (over 8 years): $98,758
Job RoleYears of ExperienceAverage Salary
Administrative Assistant - Casual less than 1 year $49,861
Sales Assistant II 1-2 years $56,098
Sales Assistant III 2-4 years $64,587
Sales Assistant Team Leader 5-8 years $86,007
Sales Support Supervisor over 8 years $98,758

How Do Administrative Assistant - Casual 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 Administrative Assistant - Casuals. For example, consider the average annual salaries in these key locations:

  • District of Columbia: $51,509.
  • California: $51,314.
  • Massachusetts: $50,630.

Top Paying Cities for Administrative Assistant - Casual

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:

  • Los Angeles: $51,402
  • West Hollywood: $51,365
  • Dodgertown: $51,402

Administrative Assistant - Casual Salary by Industry: Top Paying Sectors

For Administrative Assistant - Casual roles, the industry you choose can affect earning potential by as much as 55% (the gap between the highest and lowest paying industries). Data shows that the Biotechnology and Financial Services sectors offer the strongest compensation, at 20% above the average. In contrast, Administrative Assistant - Casual positions in Hospitality & Leisure or Edu., Gov't. & Nonprofit typically offer lower base pay, as these industries often view Administrative Assistant - Casual as a support function rather than a direct revenue driver.

The top paying industries for an Administrative Assistant - Casual

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Biotechnology $61,576 $30.0 20%
Financial Services $61,576 $30.0 20%
Pharmaceuticals $61,576 $30.0 20%
Software & Networking $61,576 $30.0 20%
Telecom $61,576 $30.0 20%

Administrative Assistant - Casual Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Administrative Assistant - Casual'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.

  • Yearly
  • Monthly
  • Weekly
  • Hourly
  • Table View
Last Updated on September 01, 2026
$46,313
Average $51,314/year
$58,288
$3,859
Average $4,276/month
$4,857
$891
Average $987/week
$1,121
$22
Average $25/hour
$28
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $58,288 $4,857 $1,121 $28
Average $51,314 $4,276 $987 $25
25th Percentile $46,313 $3,859 $891 $22

Find Your Next Administrative Assistant - Casual Job

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

  • Hedy Holmes Staffing Services | Oakland, CA

    Administrative Assistant

    Hedy Holmes Staffing Services | Oakland, CA

    Position. Administrative Assistant. Pay Rate. $30.00/hour. Location. Oakland, CA. Schedule. Monday–Friday | 5:00 PM–3:30 AM. (Night Shift Only). Position S... more

    3 Days Ago

  • Nibbi Brothers General Contractors | San Francisco, CA

    Administrative Assistant

    Nibbi Brothers General Contractors | San Francisco, CA

    Nibbi Brothers has been a member of the Bay Area’s construction community since 1950. The Company is known for its integrity, innovation, quality and contr... more

    5 Days Ago

  • Net2Source (N2S) | Jurupa Valley, CA

    Administrative Assistant

    Net2Source (N2S) | Jurupa Valley, CA

    Job Title: Administrative Assistant. Full Time (40 hours/week). M-F 8am-5pm. Location: Onsite - Jurupa Valley, CA. Duration: 6 Months (Highly possible exte... more

    5 Days Ago

  • Infojini Inc | Los Angeles, CA

    Administrative Assistant

    Infojini Inc | Los Angeles, CA

    About the Institute: The Institute for Addiction Science (IAS) is one of the nation’s first university-wide comprehensive transdisciplinary addiction insti... more

    5 Days Ago

  • Robert Half | Fremont, CA

    Administrative Assistant

    Robert Half | Fremont, CA

    Overview. We are seeking an experienced Executive Assistant with legal experience to support senior‑level executives in a highly confidential, fast‑paced e... more

    5 Days Ago

  • Robert Half | Alameda, CA

    Administrative Assistant

    Robert Half | Alameda, CA

    Overview. We are seeking an experienced Executive Assistant with legal experience to support senior‑level executives in a highly confidential, fast‑paced e... more

    5 Days Ago

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Where Does Our Salary Data Come From?

Salary.com salary estimates, histograms, trends, and comparisons are derived from both employer job postings and third-party data sources. We also provide multiple percentiles of salary information for your reference, click here to know Why the Salary Midpoint Formula Is Crucial to Getting Pay Equity Right. With more online, real-time compensation data than any other website, Salary.com helps you determine your exact pay target.

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