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Administrative Assistant/Billing Coordinator Salary in California

How much does an Administrative Assistant/Billing Coordinator make in California? As of September 01, 2026, the average salary for an Administrative Assistant/Billing Coordinator in California is $52,468 per year, which breaks down to an hourly rate of $25.

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

  • Top Earners (90th percentile): $63,042
  • Majority Range (25th-75th percentile): $48,325 to $58,003
  • Entry-Level (10th percentile): $44,552
Salary Factors Salary by Experience Related Job Salaries Top Paying Cities Explore Related Jobs

Check out Administrative Assistant/Billing Coordinator Job Openings in California

Key Factors That Influence Administrative Assistant/Billing Coordinator Salaries

An Administrative Assistant/Billing Coordinator'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/Billing Coordinator Salaries?

Experience is a primary driver of an Administrative Assistant/Billing Coordinator'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): $45,582
  • Early Career (1-2 years): $51,315
  • Mid-Level (2-4 years): $61,443
  • Senior-Level (5-8 years): $68,026
  • Expert (over 8 years): $72,224
Job RoleYears of ExperienceAverage Salary
Billing Clerk I less than 1 year $45,582
Administrative Assistant/Billing Coordinator 1-2 years $51,315
Billing Clerk III 2-4 years $61,443
Billing Clerk IV 5-8 years $68,026
Billing Supervisor over 8 years $72,224

How Do Administrative Assistant/Billing Coordinator 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/Billing Coordinators. For example, consider the average annual salaries in these key locations:

  • District of Columbia: $52,668.
  • California: $52,468.
  • Massachusetts: $51,769.

Top Paying Cities for Administrative Assistant/Billing Coordinator

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: $52,559
  • West Hollywood: $52,521
  • Dodgertown: $52,558

Administrative Assistant/Billing Coordinator Salary by Industry: Top Paying Sectors

For Administrative Assistant/Billing Coordinator roles, the industry you choose can affect earning potential by as much as 45% (the gap between the highest and lowest paying industries). Data shows that the Biotechnology and Internet sectors offer the strongest compensation, at 25% above the average. In contrast, Administrative Assistant/Billing Coordinator positions in Transportation or Edu., Gov't. & Nonprofit typically offer lower base pay, as these industries often view Administrative Assistant/Billing Coordinator as a support function rather than a direct revenue driver.

The top paying industries for an Administrative Assistant/Billing Coordinator

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Biotechnology $65,586 $32.0 25%
Internet $62,962 $30.0 20%
Energy & Utilities $60,339 $29.0 15%
Software & Networking $60,339 $29.0 15%
Financial Services $57,715 $28.0 10%

Administrative Assistant/Billing Coordinator Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Administrative Assistant/Billing Coordinator'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
$48,325
Average $52,468/year
$58,003
$4,027
Average $4,372/month
$4,834
$929
Average $1,009/week
$1,115
$23
Average $25/hour
$28
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $58,003 $4,834 $1,115 $28
Average $52,468 $4,372 $1,009 $25
25th Percentile $48,325 $4,027 $929 $23

Find Your Next Administrative Assistant/Billing Coordinator Job

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

  • Amgen | Thousand Oaks, CA

    Administrative Coordinator

    Amgen | Thousand Oaks, CA

    Join Amgen's Mission of Serving PatientsAt Amgen, if you feel like you're part of something bigger, it's because you are. Our shared mission-to serve patie... more

    9 Days Ago

  • San Jose State University Research Foundation | San Jose, CA

    Administrative Coordinator

    San Jose State University Research Foundation | San Jose, CA

    OUR STATEMENTThe San Jose State University Research Foundation (SJSURF) is committed to building a work environment where everyone can show up as their own... more

    9 Days Ago

  • University of California , San Francisco | San Francisco, CA

    Administrative Coordinator

    University of California , San Francisco | San Francisco, CA

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  • Keller Williams Realty | Beverly Hills, CA

    Administrative Coordinator

    Keller Williams Realty | Beverly Hills, CA

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  • ADT | San Diego, CA

    Administrative Coordinator

    ADT | San Diego, CA

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    9 Days Ago

  • LHH Recruitment Solutions | San Diego, CA

    Administrative Coordinator

    LHH Recruitment Solutions | San Diego, CA

    Job Title: Administrative CoordinatorLocation: Carmel Valley, San Diego, CALHH Recruitment Solutions is seeking a highly organized and proactive Administra... more

    9 Days Ago

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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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