Administrative Assistant Jobs in Costa Mesa, CA

1-15 of 202 Jobs

Legal Assistant

  • Anaheim, CA (12 miles from Costa Mesa, CA)
  • 2 hours ago
  • Anaheim, CA (12 miles from Costa Mesa, CA)
  • 2 hours ago

Legal Office Support File Clerk & Case Workers Needed! We are seeking dedicated and motivated individuals to join our Workers' Compensation department! If you have experience in legal support or...

In Person

Office Assistant

  • Power Plus
  • Corona, CA (23 miles from Costa Mesa, CA)
  • 4 hours ago
  • Corona, CA (23 miles from Costa Mesa, CA)
  • 4 hours ago

Do you have administrative experience and enjoy being detail oriented? Are you well-organized and have time management skills? Do you like interacting with customers? If so, we should talk. We are...

In Person

Confidential Secretary Office of Special Services

  • Orange Schools
  • Placentia, CA (14 miles from Costa Mesa, CA)
  • 4 hours ago
  • Placentia, CA (14 miles from Costa Mesa, CA)
  • 4 hours ago

Position Type: Secretarial/Clerical/ Secretary - 12-Months Date Posted: 2/3/2026 Location: District Date Available: ASAP    Major Responsibilities and Duties: Performs confidential...

In Person

Administrative Assistant

  • Sysazzle
  • Irvine, CA (10 miles from Costa Mesa, CA)
  • 5 hours ago
  • Irvine, CA (10 miles from Costa Mesa, CA)
  • 5 hours ago

A typical administrative assistant serves as an information and communication manager for an office....

In Person

Administrative Assistant II

  • Western University of Health Sciences
  • Pomona, CA (22 miles from Costa Mesa, CA)
  • 5 hours ago
  • Pomona, CA (22 miles from Costa Mesa, CA)
  • 5 hours ago

Administrative Assistant II Posting Number: TC00495 Campus: Department: 1606-College of Health Sciences-Master Physician Assistant Classification Pay Scale In compliance with SB 1162, Western University...

In Person

Secretary (OA)

  • Department of Veterans Affairs
  • Long Beach, CA (22 miles from Costa Mesa, CA)
  • 14 hours ago
  • Long Beach, CA (22 miles from Costa Mesa, CA)
  • 14 hours ago

The Tibor Rubin VA Medical Center currently recruiting one (1) Secretary in Health Administration Services (HAS) in Long Beach, CA. The primary purpose of the position is to perform day to day...

In Person

Secretary I #542

  • Pomona Unified School District
  • Pomona, CA (22 miles from Costa Mesa, CA)
  • 14 hours ago
  • Pomona, CA (22 miles from Costa Mesa, CA)
  • 14 hours ago

The Pomona Unified School District, in partnership with parents and community, provides a well-rounded, challenging, and quality educational program that develops character and integrity. Students...

In Person

Administrative Secretary I #408

  • Pomona Unified School District
  • Pomona, CA (22 miles from Costa Mesa, CA)
  • 14 hours ago
  • Pomona, CA (22 miles from Costa Mesa, CA)
  • 14 hours ago

The Pomona Unified School District, in partnership with parents and community, provides a well-rounded, challenging, and quality educational program that develops character and integrity. Students...

In Person

Dental Front Office Assistant

  • Huntington Beach, CA (5 miles from Costa Mesa, CA)
  • 18 hours ago
  • Huntington Beach, CA (5 miles from Costa Mesa, CA)
  • 18 hours ago

WE ARE LOOKING FOR A FRONT OFFICE ASSISTANT TO JOIN OUR TEAM. This is a Full time position for a front office assistant. Must be self-motivated, detail-oriented, friendly, and be able to work as a...

In Person

Admin Assistant / Accounting Assistant

  • Costa Mesa, CA
  • 18 hours ago
  • Costa Mesa, CA
  • 18 hours ago

Administrative Assistant to work full-time within a fast-paced Construction Company, Corradini Corp., in Costa Mesa, CA. Excellent organization and communication skills required....

In Person

Administrative Assistant

  • Kinetic Personnel Group
  • Santa Ana, CA (5 miles from Costa Mesa, CA)
  • 1 day ago
  • Santa Ana, CA (5 miles from Costa Mesa, CA)
  • 1 day ago

Administrative Assistant Santa Ana, CA 92705 Posted: 01/27/2026 Job Category: Admin/Clerical Job Number: 2155922 Job Description We are in immediate need of a an Administrative Assistant....

In Person

Secretary - Bilingual / Biliterate (Spanish)

  • Rowland Unified
  • Rowland Heights, CA (20 miles from Costa Mesa, CA)
  • 1 day ago
  • Rowland Heights, CA (20 miles from Costa Mesa, CA)
  • 1 day ago

At Rowland, we believe all employees regardless of title have an important role to play in the preparation of our students. We have developed a comprehensive, broad-based instructional program...

In Person

Bilingual Personal Injury Legal Assistant

  • Irvine, CA (10 miles from Costa Mesa, CA)
  • 2 days ago
  • Irvine, CA (10 miles from Costa Mesa, CA)
  • 2 days ago

ALL APPLICATIONS ARE CONFIDENTIAL See all TORKLAW Open Positions Here Are you passionate about making a difference and eager to support those in need? Join us at TorkLaw! We're seeking a standout...

In Person

Front Desk / Office Assistant

  • Dana Point, CA (20 miles from Costa Mesa, CA)
  • 2 days ago
  • Dana Point, CA (20 miles from Costa Mesa, CA)
  • 2 days ago

Front Desk / Office Assistant (Monarch Beach) compensation: Above Average employment type: job title: Front Desk Backup Front Desk / Office Assistant/Possible Vacation & Out of Office Backup We...

In Person

Part Time Office Assistant 833744

  • Helpmates Staffing Services
  • Cerritos, CA (16 miles from Costa Mesa, CA)
  • 2 days ago
  • Cerritos, CA (16 miles from Costa Mesa, CA)
  • 2 days ago

Join Our Team as a Part Time Office Assistant in Artesia! Urgently hiring Part Time Office Assistant in Artesia! Job Title: Part Time Office Assistant Pay: $18 - $20 per hour Hours: 12:00 PM -...

In Person Part Time

Demographic Data for Costa Mesa, CA

Moving to Costa Mesa, CA? Find some basic demographic data about Costa Mesa, CA below.


Local
National
112,649
5,258
Medium/Lg

Administrative Assistant Online Courses and Training Opportunities

iHire curates thousands of courses in order to recommend the best ones to help further your career. If you register for a course using the links on our site, we may receive a small commission.
Leadership and Administrative Policy
Understand and develop your own leadership style, while also coaching teams to promote individual growth and improve organizational outcomes. Also, explore important issues in health law for...
Administrative Assistant Training
How well you manage clients and other day-to-day workplace activities can significantly impact your company's overall performance. As an administrative assistant, you must adapt quickly and...
Legal Administrative Assistant Training
The field of law is known for its demanding nature and legal professionals heavily rely on their administrative assistants to help them handle their workload and stay organized. To succeed in this...

Salary for Administrative Assistant Jobs in Costa Mesa, CA

Estimated salary range based on data from US Bureau of Labor Statistics (BLS) and iHire research efforts.

Licensing / Certification

Required or preferred licenses and certifications for Administrative Assistant positions.



Highest Education Level

Administrative Assistants in Costa Mesa, CA offer the following education background
Bachelor's Degree
36.3%
High School or GED
18.3%
Associate's Degree
16.1%
Vocational Degree or Certification
14.9%
Master's Degree
8.9%
Some College
3.7%
Doctorate Degree
1.2%
Some High School
0.5%

Average Work Experience
Here's a breakdown of the number of years' experience offered by Administrative Assistants in Costa Mesa, CA
1-2 years
44.2%
Less than 1 year
30.3%
None
13.6%
2-4 years
10.1%
4-6 years
1.9%