What are the main factors that influence an Office Services Assistant III's salary?

The primary factors are: 1) Experience Level, 2) Geographic Location, 3) Education/Skills, 4) Company Size & Industry

What industry pays the highest salary for Office Services Assistant III?

The Biotechnology industry offers the highest average compensation for Office Services Assistant III roles, with salaries approximately 20% above the market median.

How does experience change An Office Services Assistant 's salary?

An Office Services Assistant 's salary grows with experience: an Office Services Assistant I (0-1 years)earns $39,914, an Office Services Assistant II (1-3 years)earns $46,941, an Office Services Assistant III (3-5 years)earns $59,637, an Office Services Assistant IV (5-7 years)earns $67,006, an Office Supervisor (7+ years)earns $74,867,

What are the highest paying states for an Office Services Assistant III?

Office Services Assistant III salary varies significantly by state. The top 3 highest paying states for Office Services Assistant III roles are District of Columbia $65,202, California $64,955, Massachusetts $64,089. These tech hubs typically pay 10-15% above the national average.

How much do different types of Office Services Assistant roles make?

Salaries for Office Services Assistant level roles vary by specialization: Office Services Professional III: $77,291; Office Services Assistant IV: $66,166; Office Services Professional II: $64,209; Office Operations Assistant III: $58,900; Office Services Coordinator III: $58,890.

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Office Services Assistant III Salary in Delaware

How much does an Office Services Assistant III make in Delaware?

As of July 01, 2026, the average salary for an Office Services Assistant III in Delaware is $59,637 per year, which breaks down to an hourly rate of $29.

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

Top Earners (90th percentile): $73,207
Majority Range (25th-75th percentile): $52,776 to $66,740
Entry-Level (10th percentile): $46,529

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Office Services Assistant III Salaries by Percentile

	Annual Salary	Monthly Pay	Weekly Pay	Hourly Wage
75th Percentile	$66,740	$5,562	$1,283	$32
Average	$59,637	$4,970	$1,147	$29
25th Percentile	$52,776	$4,398	$1,015	$25

You may get higher pay by adjusting the following factors:

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Key Factors That Influence Office Services Assistant III Salaries

An Office Services Assistant III'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 Office Services Assistant Salaries?

Experience is a primary driver of an Office Services Assistant III'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:

Office Services Assistant I (0-1 years): $39,914
Office Services Assistant II (1-3 years): $46,941
Office Services Assistant III (3-5 years): $59,637
Office Services Assistant IV (5-7 years): $67,006
Office Supervisor (7+ years): $74,867

Job Role	Years of Experience	Average Salary
Office Services Assistant I	0-1 years	$39,914
Office Services Assistant II	1-3 years	$46,941
Office Services Assistant III	3-5 years	$59,637
Office Services Assistant IV	5-7 years	$67,006
Office Supervisor	7+ years	$74,867

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What Am I Worth?

How Do Office Services Assistant III 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 Office Services Assistant IIIs. For example, consider the average annual salaries in these key locations:

District of Columbia: $65,202.
California: $64,955.
Massachusetts: $64,089.

District of Columbia $65,202 California $64,955 Massachusetts $64,089 Washington $63,853 New Jersey $63,830 Alaska $63,747 Connecticut $62,935 New York $62,605

Hawaii $61,551 Rhode Island $61,056 Maryland $60,720 Minnesota $60,261 Colorado $60,084 Illinois $60,026 Oregon $59,802 Delaware $59,637

New Hampshire $59,533 Virginia $59,301 Pennsylvania $58,624 Nevada $58,282 North Dakota $58,171 Michigan $57,994 Wisconsin $57,929 Vermont $57,800

Texas $57,440 Maine $57,417 Arizona $57,381 Ohio $57,340 Georgia $56,798 Indiana $56,528 Wyoming $56,475 Utah $56,392

Iowa $56,357 Kansas $56,074 Louisiana $55,992 North Carolina $55,962 Missouri $55,950 Florida $55,721 Montana $55,597 Nebraska $55,479

Kentucky $55,415 South Carolina $55,179 Tennessee $55,032 Idaho $54,973 New Mexico $54,543 Oklahoma $54,449 Alabama $54,101 South Dakota $53,518

Arkansas $53,200 West Virginia $53,030 Mississippi $52,517

Top Paying Cities for Office Services Assistant IIIs

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:

Lincoln: $59,368
Little Creek: $59,803
Magnolia: $59,717

Lincoln, DE $59,368 Little Creek, DE $59,803 Magnolia, DE $59,717 Milford, DE $59,519 Marydel, DE $59,617 Millsboro, DE $59,119 Millville, DE $59,211 Milton, DE $59,313

Nassau, DE $59,356 Ocean View, DE $59,201 Rehoboth Beach, DE $59,314 Seaford, DE $59,348 Selbyville, DE $59,102 Smyrna, DE $59,844 Viola, DE $59,569 Woodside, DE $59,729

Bear, DE $59,591 Newark, DE $59,569 Claymont, DE $59,690 Delaware City, DE $59,628 Hockessin, DE $59,563 Kirkwood, DE $59,617 Middletown, DE $59,640 Montchanin, DE $59,577

New Castle, DE $59,586 Odessa, DE $59,669 Port Penn, DE $59,709 Rockland, DE $59,583 Saint Georges, DE $59,621 Townsend, DE $59,713 Winterthur, DE $59,590 Lewes, DE $59,336

Wilmington, DE $59,566 Dover, DE $59,803 Dover Afb, DE $59,488 Bethany Beach, DE $59,138 Bethel, DE $59,199 Bridgeville, DE $59,339 Camden Wyoming, DE $59,635 Cheswold, DE $59,784

Clayton, DE $59,785 Dagsboro, DE $59,097 Delmar, DE $59,002 Ellendale, DE $59,181 Felton, DE $59,514 Fenwick Island, DE $59,110 Frankford, DE $59,007 Frederica, DE $59,573

Georgetown, DE $59,075 Greenwood, DE $59,348 Harbeson, DE $59,138 Harrington, DE $59,439 Hartly, DE $59,624 Houston, DE $59,354 Kenton, DE $59,788 Laurel, DE $59,039

Yorklyn, DE $59,581

Office Services Assistant III Salary by Company Size: Startups vs. Enterprise

Office Services Assistant III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $66,703. While startup companies pay approximate $56,411.

Office Services Assistant III Salary by Company Size

Company Size	Employees	Average Salary
Startup	1~50	$56,411
Growth Stage	51~500	$59,664
Established	501~5000	$64,415
Enterprise	5000+	$66,703

Office Services Assistant III Salary by Industry: Top Paying Sectors

For Office Services Assistant III roles, the industry you choose can affect earning potential by as much as 40% (the gap between the highest and lowest paying industries). Data shows that the Biotechnology and Aerospace & Defense sectors offer the strongest compensation, at 20% above the average. In contrast, Office Services Assistant positions in Edu., Gov't. & Nonprofit or Transportation typically offer lower base pay, as these industries often view Office Services Assistant III as a support function rather than a direct revenue driver.

The top paying industry for an Office Services Assistant III

Industry Sector	Average Annual Salary	Average Hourly Rate	Pay vs.Avg
Biotechnology	$71,564	$34.0	20%

Office Services Assistant III Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Office Services Assistant III'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 July 01, 2026

$52,776

Average $59,637/year

$66,740

$4,398

Average $4,970/month

$5,562

$1,015

Average $1,147/week

$1,283

$25

Average $29/hour

$32

	Annual Salary	Monthly Pay	Weekly Pay	Hourly Wage
75th Percentile	$66,740	$5,562	$1,283	$32
Average	$59,637	$4,970	$1,147	$29
25th Percentile	$52,776	$4,398	$1,015	$25

Office Services Assistant III Salary Growth & Career Path

Office Services Assistant III

Office Services Assistant IV

Business Office Manager

Office Manager

Promotions are the fastest way to increase your earnings. As an Office Services Assistant III, 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.

Office Services Assistant III Salary Growth and Career Path
Next Step Role	Estimate Salary	Projected Raise
Office Services Assistant IV	$67,006	12%
Business Office Manager	$92,523	55%

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