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Inside Sales Development Assistant I Salary in Massachusetts

How much does an Inside Sales Development Assistant I make in Massachusetts?

As of August 01, 2026, the average salary for an Inside Sales Development Assistant I in Massachusetts is $44,800 per year, which breaks down to an hourly rate of $22.

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

  • Top Earners (90th percentile): $53,015
  • Majority Range (25th-75th percentile): $40,700 to $49,100
  • Entry-Level (10th percentile): $36,967
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View as table View as graph 25% $40,700 10% $36,967 90% $53,015 75% $49,100 $44,800 50%(Median) Didn’t find job title? Click

Inside Sales Development Assistant I Salaries by Percentile

Annual
Salary		 Monthly
Pay		 Weekly
Pay		 Hourly
Wage
75th Percentile $49,100 $4,092 $944 $24
Average $44,800 $3,733 $862 $22
25th Percentile $40,700 $3,392 $783 $20
Check out Inside Sales Development Assistant I Job Openings in Massachusetts
Sales Development Representative

Trivelta - Boston, MA

Sales Development Representative

Appcast - Newton Center, MA

Sales Development Representative

Veracross - Wakefield, MA

Sales Development Representative

Facility Grid LLC - Waltham, MA

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Key Factors That Influence Inside Sales Development Assistant I Salaries

An Inside Sales Development Assistant I'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 Inside Sales Development Assistant Salaries?

Experience is a primary driver of an Inside Sales Development Assistant I'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:

  • Inside Sales Development Assistant I (0-1 years): $44,768
  • Inside Sales Development Assistant II (1-3 years): $50,686
  • Inside Sales Development Assistant III (3-5 years): $58,509
  • Inside Telephone Sales Supervisor (5+ years): $77,990
  • Inside Sales Development Senior Supervisor (5+ years): $95,721
Job Role Years of Experience Average Salary
Inside Sales Development Assistant I0-1 years$44,768
Inside Sales Development Assistant II1-3 years$50,686
Inside Sales Development Assistant III3-5 years$58,509
Inside Telephone Sales Supervisor5+ years$77,990
Inside Sales Development Senior Supervisor5+ years$95,721
$44,768 Inside Sa...
$50,686 Inside Sa...
$58,509 Inside Sa...
$77,990 Inside Te...
$95,721 Inside Sa...
View as Table
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What Am I Worth?

Top Paying Cities for Inside Sales Development Assistant Is

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:

  • Agawam: $42,500
  • Amherst: $42,800
  • Barre: $43,200

Inside Sales Development Assistant I Salary by Company Size: Startups vs. Enterprise

Inside Sales Development Assistant I salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $50,151. While startup companies pay approximate $42,427.

Inside Sales Development Assistant I Salary by Company Size

Company Size Employees Average Salary
Startup1~50$42,427
Growth Stage51~500$44,871
Established501~5000$48,430
Enterprise5000+$50,151

Inside Sales Development Assistant I Salary by Industry: Top Paying Sectors

For Inside Sales Development Assistant I roles, the industry you choose can affect earning potential by as much as 38% (the gap between the highest and lowest paying industries). Data shows that the Transportation and Telecom sectors offer the strongest compensation, at 19% above the average. In contrast, Inside Sales Development Assistant positions in Aerospace & Defense or Biotechnology typically offer lower base pay, as these industries often view Inside Sales Development Assistant I as a support function rather than a direct revenue driver.

The top paying industries for an Inside Sales Development Assistant I

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Transportation$53,312$26.019%
Telecom$52,416$25.017%
Software & Networking$51,520$25.015%
Retail & Wholesale$50,624$24.013%
Pharmaceuticals$49,728$24.011%

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

Understanding how an Inside Sales Development Assistant I'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 August 01, 2026
$40,700
Average $44,800/year
$49,100
$3,392
Average $3,733/month
$4,092
$783
Average $862/week
$944
$20
Average $22/hour
$24
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $49,100 $4,092 $944 $24
Average $44,800 $3,733 $862 $22
25th Percentile $40,700 $3,392 $783 $20

Inside Sales Development Assistant I Salary Growth & Career Path

Inside Sales Development Assistant I
E- Commerce Strategic Sales Manager
Inside Sales Development Assistant II
Inside Telephone Sales Supervisor

Promotions are the fastest way to increase your earnings. As an Inside Sales Development Assistant I, you have the following paths for advancement. The table below compares the salary raises for common next-step roles. By comparing these figures, you can choose the career path that best meets your financial goals.

Inside Sales Development Assistant I Salary Growth and Career Path
Next Step Role Estimate Salary Projected Raise
E- Commerce Strategic Sales Manager $97,900 119%
Inside Sales Development Assistant II $50,700 13%

Salaries of jobs related to Inside Sales Development Assistant I

Find Your Next Inside Sales Development Assistant I Job

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

United States

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    Sales Leadership Development Program

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    Boston, MA

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  • demandDrive

    Waltham, MA

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    Job Description. Job Description. About demandDrive: demandDrive is a growth-focused go-to-market agency that helps B2B organizations accelerate pipeline a... more

    8 Days Ago

  • Buyers Edge Platform, LLC

    Belmont, MA

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  • PIP, East Longmeadow, MA

    East Longmeadow, MA

    Sales Business Development Specialist

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