Inside Sales Assistant Salary in Walnut, CA

How much does an Inside Sales Assistant make in Walnut, CA?

As of September 01, 2026, the average salary for an Inside Sales Assistant in Walnut, CA is $56,611 per year, which breaks down to an hourly rate of $27.

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

  • Top Earners (90th percentile): $69,589
  • Majority Range (25th-75th percentile): $49,155 to $63,404
  • Entry-Level (10th percentile): $42,367
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View as table View as graph 25% $49,155 10% $42,367 90% $69,589 75% $63,404 $56,611 50%(Median) Didn’t find job title? Click

Inside Sales Assistant Salaries by Percentile

Annual
Salary
Monthly
Pay
Weekly
Pay
Hourly
Wage
75th Percentile $63,404 $5,284 $1,219 $30
Average $56,611 $4,718 $1,089 $27
25th Percentile $49,155 $4,096 $945 $24
Check out Inside Sales Assistant Job Openings in Walnut, CA
Inside Sales Representative

ASI Corporation - Walnut, CA

Inside Sales Representative

ASI Computer Technologies - Walnut, CA

Sales Assistant Customer service

Pacific Rainbow International - Walnut, CA

Sales Manager

Falcon Logistics - Walnut, CA

Search More Inside Sales Assistant Jobs in Walnut, CA

Key Factors That Influence Inside Sales Assistant Salaries

An Inside Sales Assistant'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, skills and company size can directly affect your earning potential.

How Experience Level Affects Inside Sales Assistant Salaries?

Experience is a primary driver of an Inside Sales Assistant'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): $57,129
  • Early Career (1-2 years): $71,294
  • Mid-Level (2-4 years): $82,851
  • Senior-Level (5-8 years): $110,527
  • Expert (over 8 years): $79,303
Levels Salary
Inside Sa... Level Inside Sales Assistant$57,129
Inside Sa... Level Inside Sales Assistant$71,294
Inside Sa... Level Inside Sales Assistant$82,851
Inside Sa... Level Inside Sales Assistant$110,527
Inside Sa... Level Inside Sales Assistant$79,303
$57,129 0 yr
$71,294 < 2 yrs
$82,851 2-4 yrs
$110,527 5-8 yrs
$79,303 > 8 yrs
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What Am I Worth?

Top Paying Cities for Inside Sales Assistants

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: $65,506
  • San Francisco: $64,789
  • Oakland: $63,424

What Skills Can Increase an Inside Sales Assistant's Salary?

Demanded Skills for the Role:

  • Customer Service (Mentioned in 11.16% Job Postings): Customer service is the provision of service to customers before, during and after a purchase. The perception of success of such interactions is dependent on employees "who can adjust themselves to the personality of the guest". Customer service concerns the priority an organization assigns to customer service relative to components such as product innovation and pricing. In this sense, an organization that values good customer service may spend more money in training employees than the average organization or may proactively interview customers for feedback. From the point of view of an overall sales process engineering effort, customer service plays an important role in an organization's ability to generate income and revenue. From that perspective, customer service should be included as part of an overall approach to systematic improvement. One good customer service experience can change the entire perception a customer holds towards the organization.
  • Quotations (Mentioned in 1.61% Job Postings): A quotation is the repetition of a sentence, phrase, or passage from speech or text that someone has said or written. In oral speech, it is the representation of an utterance that is introduced by a quotative marker, such as a verb of saying.
  • Sales Process (Mentioned in 1.24% Job Postings): Designing and implementing repeatable steps that a salesperson takes to move a prospect from an early-stage lead to a closed customer.
See More Skills
Skills Demand Percentage
Customer Service 11.16%
Quotations 1.61%
Sales Process 1.24%
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 Inside Sales Assistant's salary.
  • Resilience: Can increase your salary by up to 29%.
  • Insurance Sales: Can increase your salary by up to 25%.
  • Billing: Can increase your salary by up to 20%.
Skill Salary Salary % Increase
Resilience
$73,028
29%
Insurance Sales
$70,764
25%
Billing
$67,933
20%
Coaching
$67,367
19%
Flexibility
$65,669
16%
Presentation
$65,103
15%
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Inside Sales Assistant Salary by Industry: Top Paying Sectors

For Inside Sales Assistant roles, the industry you choose can affect earning potential by as much as 75% (the gap between the highest and lowest paying industries). Data shows that the Construction and Aerospace & Defense sectors offer the strongest compensation, at 40% above the average. In contrast, Inside Sales Assistant positions in Edu., Gov't. & Nonprofit or Biotechnology typically offer lower base pay, as these industries often view Inside Sales Assistant as a support function rather than a direct revenue driver.

The top paying industries for an Inside Sales Assistant

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Construction$79,255$38.040%
Aerospace & Defense$73,594$35.030%
Healthcare$70,764$34.025%
Media$66,801$32.018%
Business Services$65,103$31.015%

Inside Sales Assistant Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Inside Sales Assistant'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

Find Your Next Inside Sales Assistant Job

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

United States
  • TREASURE CREEK USA

    Walnut, CA

    TREASURE CREEK USA | Walnut, CA

    Job Description. Job Description. Benefits. 401(k). Dental insurance. Employee discounts. Health insurance. Paid time off. Vision insurance. Treasure Creek... more

    3 Days Ago

  • Top Guy Shoes

    Walnut, CA

    Top Guy Shoes | Walnut, CA

    Job Description. Job Description. Top Guy Footwear is a women's and kids shoe wholesaler that has been operating for over 20 years out of City of Industry,... more

    6 Days Ago

  • Lumenexx

    Walnut, CA

    Lumenexx | Walnut, CA

    Job Description. Job Description. Sales Manager – Solar & Energy Storage (Player‐Coach). . Role Overview. We are hiring a hands‐on. Sales Manager (Player‐C... more

    2 Days Ago

  • Service Champions

    Walnut, CA

    Service Champions | Walnut, CA

    Service Champions is seeking a Plumbing Sales Advisor to help homeowners select the right plumbing solutions while delivering exceptional customer care. In... more

    2 Days Ago

  • Astrophysics Inc.

    Walnut, CA

    Astrophysics Inc. | Walnut, CA

    Job Description. Job Description. Astrophysics Inc. is a global leader in X-Ray security inspection systems, dedicated since 2002 to making the world safer... more

    3 Days Ago

  • Stanley Black &amp; Decker

    Walnut, CA

    Stanley Black &amp; Decker | Walnut, CA

    Field Sales Representative Southern California Remote. 60% Travel Expected. Territory: Southern CA and Las Vegas, NV. Come build your career. It takes grea... more

    2 Days Ago

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