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Assistant Proposal Writer Salary in California

How much does an Assistant Proposal Writer make in California? As of September 01, 2026, the average salary for an Assistant Proposal Writer in California is $57,464 per year, which breaks down to an hourly rate of $28.

However, an Assistant Proposal Writer's salary can vary significantly. Here's a look at the typical salary range:

  • Top Earners (90th percentile): $68,612
  • Majority Range (25th-75th percentile): $52,113 to $63,299
  • Entry-Level (10th percentile): $47,240
Salary Factors Salary by Experience Related Job Salaries Top Paying Cities Explore Related Jobs

Check out Assistant Proposal Writer Job Openings in California

Key Factors That Influence Assistant Proposal Writer Salaries

An Assistant Proposal Writer'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 Assistant Proposal Writer Salaries?

Experience is a primary driver of an Assistant Proposal Writer'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): $49,995
  • Early Career (1-2 years): $56,249
  • Mid-Level (2-4 years): $64,761
  • Senior-Level (5-8 years): $86,239
  • Expert (over 8 years): $99,025
Job RoleYears of ExperienceAverage Salary
Sales Assistant I less than 1 year $49,995
Assistant Proposal Writer 1-2 years $56,249
Sales Assistant III 2-4 years $64,761
Sales Assistant Team Leader 5-8 years $86,239
Sales Support Supervisor over 8 years $99,025

How Do Assistant Proposal Writer 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 Assistant Proposal Writers. For example, consider the average annual salaries in these key locations:

  • District of Columbia: $57,683.
  • California: $57,464.
  • Massachusetts: $56,698.

Top Paying Cities for Assistant Proposal Writer

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: $57,563
  • West Hollywood: $57,522
  • Dodgertown: $57,563

Assistant Proposal Writer Salary by Industry: Top Paying Sectors

For Assistant Proposal Writer roles, the industry you choose can affect earning potential by as much as 30% (the gap between the highest and lowest paying industries). Data shows that the Aerospace & Defense and Business Services sectors offer the strongest compensation, at 15% above the average. In contrast, Assistant Proposal Writer positions in Edu., Gov't. & Nonprofit or Chemicals typically offer lower base pay, as these industries often view Assistant Proposal Writer as a support function rather than a direct revenue driver.

The top paying industries for an Assistant Proposal Writer

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Aerospace & Defense $66,084 $32.0 15%
Business Services $63,211 $30.0 10%
Construction $60,338 $29.0 5%

Assistant Proposal Writer Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Assistant Proposal Writer'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
$52,113
Average $57,464/year
$63,299
$4,343
Average $4,789/month
$5,275
$1,002
Average $1,105/week
$1,217
$25
Average $28/hour
$30
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $63,299 $5,275 $1,217 $30
Average $57,464 $4,789 $1,105 $28
25th Percentile $52,113 $4,343 $1,002 $25

Find Your Next Assistant Proposal Writer Job

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

  • Molina Healthcare | Long Beach, CA

    Proposal Writer

    Molina Healthcare | Long Beach, CA

    Job DescriptionJOB DESCRIPTIONJob SummaryThe Molina Healthcare Internship Program has an objective to create a steppingstone for students who aim to be pro... more

    9 Days Ago

  • PQC (Prairie Quest) | San Diego, CA

    Proposal Writer

    PQC (Prairie Quest) | San Diego, CA

    Join to apply for the Proposal Writer - Remote role at PQC (Prairie Quest)2 days ago Be among the first 25 applicantsJoin to apply for the Proposal Writer ... more

    11 Days Ago

  • Turion Space | Irvine, CA

    Government Proposal Writer

    Turion Space | Irvine, CA

    Job Description. Job Description. Description. Turion Space is seeking a technical writer to join our team in Irvine, CA. You will work closely with the CE... more

    7 Days Ago

  • Fuse | San Leandro, CA

    Capture&amp Proposal Writer

    Fuse | San Leandro, CA

    Job Description. Job Description. Washington, DC or San Leandro, CA. About Fuse. We are building one of the most potentially consequential companies of the... more

    10 Days Ago

  • DAV Energy Solutions Inc | San Diego, CA

    Proposal Assistant

    DAV Energy Solutions Inc | San Diego, CA

    Job Description. Job Description. Description. Davenergy Solutions is a rapidly growing, profitable company, headquartered in San Diego, CA. Our employees ... more

    7 Days Ago

  • Citadel CPM | Pasadena, CA

    Marketing&amp Proposal Assistant

    Citadel CPM | Pasadena, CA

    Job Description. Job Description. ABOUT CITADEL CPM. Citadel CPM is a California corporation, headquartered in Pasadena with offices in Fullerton, Long Bea... more

    9 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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