Administrative Assistant/Billing Specialist Salary in California

How much does an Administrative Assistant/Billing Specialist make in California? As of September 01, 2026, the average salary for an Administrative Assistant/Billing Specialist in California is $61,237 per year, which breaks down to an hourly rate of $29.

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

  • Top Earners (90th percentile): $75,012
  • Majority Range (25th-75th percentile): $55,276 to $68,447
  • Entry-Level (10th percentile): $49,849

Key Factors That Influence Administrative Assistant/Billing Specialist Salaries

An Administrative Assistant/Billing Specialist'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 Specialist Salaries?

Experience is a primary driver of an Administrative Assistant/Billing Specialist'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): $56,277
  • Early Career (1-2 years): $56,732
  • Mid-Level (2-4 years): $59,935
  • Senior-Level (5-8 years): $63,540
  • Expert (over 8 years): $65,242
Job RoleYears of ExperienceAverage Salary
Entry Level Administrative Assistant/Billing Specialist less than 1 year $56,277
Early Career Level Administrative Assistant/Billing Specialist 1-2 years $56,732
Mid-Level Level Administrative Assistant/Billing Specialist 2-4 years $59,935
Senior-Level Level Administrative Assistant/Billing Specialist 5-8 years $63,540
Expert Level Administrative Assistant/Billing Specialist over 8 years $65,242

Top Paying Cities for Administrative Assistant/Billing Specialist

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: $61,342
  • West Hollywood: $61,298
  • Dodgertown: $61,342

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

For Administrative Assistant/Billing Specialist roles, the industry you choose can affect earning potential by as much as 65% (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 Specialist positions in Transportation or Edu., Gov't. & Nonprofit typically offer lower base pay, as these industries often view Administrative Assistant/Billing Specialist as a support function rather than a direct revenue driver.

The top paying industries for an Administrative Assistant/Billing Specialist

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Biotechnology $76,546 $37.0 25%
Internet $73,484 $35.0 20%
Software & Networking $73,484 $35.0 20%
Energy & Utilities $70,422 $34.0 15%
Aerospace & Defense $67,360 $32.0 10%

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

Understanding how an Administrative Assistant/Billing Specialist'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
$55,276
Average $61,237/year
$68,447
$4,606
Average $5,103/month
$5,704
$1,063
Average $1,178/week
$1,316
$27
Average $29/hour
$33
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $68,447 $5,704 $1,316 $33
Average $61,237 $5,103 $1,178 $29
25th Percentile $55,276 $4,606 $1,063 $27

Find Your Next Administrative Assistant/Billing Specialist Job

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

  • Arrowhead Pharmaceuticals | Los Angeles, CA

    Arrowhead Pharmaceuticals | Los Angeles, CA

    Job Description. Job Description. Arrowhead Pharmaceuticals, Inc. (Nasdaq ARWR) is a commercial stage biopharmaceutical company that develops medicines tha... more

    4 Days Ago

  • BenQ | Costa Mesa, CA

    BenQ | Costa Mesa, CA

    Join the BenQ Team. Are you ready to be a part of a globally trusted brand where cutting-edge technology meets exceptional talent. BenQ is an award-winning... more

    5 Days Ago

  • The Salvation Army USA Western Territory | Rancho Palos Verdes, CA

    The Salvation Army USA Western Territory | Rancho Palos Verdes, CA

    DescriptionDEPARTMENT: Information TechnologyTITLE: Administrative SpecialistSTATUS: Full Time, Non-ExemptHOURLY RATE: $30.90THE SALVATION ARMY MISSION:The... more

    5 Days Ago

  • American Academy of Ophthalmology | San Francisco, CA

    American Academy of Ophthalmology | San Francisco, CA

    Administrative SpecialistAmerican Academy of Ophthalmology (AAO)San Francisco, CA (Hybrid)Position SummaryThe American Academy of Ophthalmology is seeking ... more

    5 Days Ago

  • Pacific Cancer Care | Monterey, CA

    Pacific Cancer Care | Monterey, CA

    Pacific Cancer Care has provided superior care for patients for nearly 50 years. We make every patient our priority. We are a family here at PCC, each memb... more

    5 Days Ago

  • Space and Naval Warfare Systems Command | San Diego, CA

    Space and Naval Warfare Systems Command | San Diego, CA

    Summary You will serve as a ADMINISTRATIVE SPECIALIST in the Resource Manage Division of NAVWARSYSCEN PACIFIC SAN DIEGO CA. Responsibilities You will serve... more

    5 Days Ago

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