Administrative Assistant Jobs in Costa Mesa, CA

1-15 of 187 Jobs

Legal Assistant

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

Workers' Compensation defense firm in Irvine seeks a full-time experienced hands-on legal assistant. The ideal candidate must be familiar with workers' compensation procedures and EAMS. Candidate...

In Person

Admin Asst III - Field Ops

  • TJX
  • Irvine, CA (10 miles from Costa Mesa, CA)
  • 7 hours ago
  • Irvine, CA (10 miles from Costa Mesa, CA)
  • 7 hours ago

TJ Maxx At TJX Companies, every day brings new opportunities for growth, exploration, and achievement. Youll be part of our vibrant team that embraces diversity, fosters collaboration, and...

In Person

Administrative Office Assistant $17.00 per hour

  • Pico Rivera, CA (23 miles from Costa Mesa, CA)
  • 7 hours ago
  • Pico Rivera, CA (23 miles from Costa Mesa, CA)
  • 7 hours ago

Send resume to: ... The hours would be M-F from 7:00am 3:30pm (depending on work load) Maybe shorter hours daily. Temp-Full-Time right now. Rate: $17.00 an Hour Job Duties but not limited will be:...

In Person

Sales Office Assistant - Irvine, CA

  • Mutual of Omaha
  • Irvine, CA (10 miles from Costa Mesa, CA)
  • 7 hours ago
  • Irvine, CA (10 miles from Costa Mesa, CA)
  • 7 hours ago

At Mutual of Omaha, we specialize in delivering exceptional client service and innovative solutions tailored to meet our clients' needs. We are seeking a motivated and dedicated individual to join...

Hybrid

Senior Administrative Assistant

  • South Orange County Community College District
  • Mission Viejo, CA (15 miles from Costa Mesa, CA)
  • 8 hours ago
  • Mission Viejo, CA (15 miles from Costa Mesa, CA)
  • 8 hours ago

Application Instructions : Complete all sections and fields on the application and attach all required documents incomplete applications may not be considered. Include all relevant education,...

In Person

Confidential Secretary Office of Data and Student Pupil Service

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

Position Type: Secretarial/Clerical/ Secretary - 12-Months Date Posted: 1/21/2026 Location: District Date Available: ASAP    Major Responsibilities and Duties: Performs confidential...

In Person

Per Diem Confidential Secretary (12-Month)

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

Position Type: Secretarial/Clerical/ Secretary - 12-Months Date Posted: 1/21/2026 Location: District Date Available: ASAP Closing Date: Until Filled    Job Description/Summary: Performs...

In Person

Administrative Services Specialist

  • County of Orange
  • Orange, CA (8 miles from Costa Mesa, CA)
  • 9 hours ago
  • Orange, CA (8 miles from Costa Mesa, CA)
  • 9 hours ago

Administrative Services Specialist (Staff Specialist) OPEN TO THE PUBLIC This recruitment will establish an open eligible list. The eligible list established through this recruitment will be used...

In Person

Office Assistant

  • South Coast Air Quality Management District
  • Diamond Bar, CA (22 miles from Costa Mesa, CA)
  • 9 hours ago
  • Diamond Bar, CA (22 miles from Costa Mesa, CA)
  • 9 hours ago

South Coast Air Quality Management District (South Coast AQMD) is one of the largest and most technologically sophisticated environmental regulatory agencies in the nation, serving a four-county...

In Person

Warehouse Administrative Assistant

  • Ryder
  • City of Industry, CA (23 miles from Costa Mesa, CA)
  • 11 hours ago
  • City of Industry, CA (23 miles from Costa Mesa, CA)
  • 11 hours ago

Immediately hiring a Permanent Full Time Administrative Customer Coordinator to support our Facility at Ryder in City of Industry, CA Hear from a Ryder Supply Chain Warehouse Employee Here: We...

In Person

Personal Assistant/House Manager hybrid

  • EstateJobs
  • Laguna Beach, CA (11 miles from Costa Mesa, CA)
  • 11 hours ago
  • Laguna Beach, CA (11 miles from Costa Mesa, CA)
  • 11 hours ago

Personal Assistant/House Manager hybrid | Laguna Beach, CA, United States Posted Date 1/15/2026 Description Job title: Personal Assistant / House Manager hybrid Job description: Location: Laguna...

Hybrid Full Time

Personal Assistant needed

  • Fountain Valley, CA (3 miles from Costa Mesa, CA)
  • 11 hours ago
  • Fountain Valley, CA (3 miles from Costa Mesa, CA)
  • 11 hours ago

Personal Assistant needed (Orange County) no pay I'm looking for a part time personal assistant I'm M37. 4-5 hours a week, mostly evenings. Be over 25, you must love to help. post id: ... updated: [ ]

In Person

Senior Legal Secretary

  • Orange County, CA
  • Santa Ana, CA (5 miles from Costa Mesa, CA)
  • 12 hours ago
  • Santa Ana, CA (5 miles from Costa Mesa, CA)
  • 12 hours ago

CAREER DESCRIPTION Senior Legal Secretary SALARY INFORMATION Salary may be negotiable within the range listed above, based on position requirements and the successful candidate's qualifications,...

In Person

Unit Secretary - 5th Flr MedSurg/Tele - FT Nights

  • Martin Luther King, Jr. Community Hospital
  • Whittier, CA (23 miles from Costa Mesa, CA)
  • 14 hours ago
  • Whittier, CA (23 miles from Costa Mesa, CA)
  • 14 hours ago

If interested, please apply and send resume to .... POSITION SUMMARY The Unit Secretary performs a variety of general clerical and non-clinical patient duties, facilitates communication, expedites...

In Person

Office Assistant

  • Acquisition Group
  • Santa Ana, CA (5 miles from Costa Mesa, CA)
  • 16 hours ago
  • Santa Ana, CA (5 miles from Costa Mesa, CA)
  • 16 hours ago

Office Assistant / Errand Runner Job Description Job ***** An Office Assistant/ Errand Runner is responsible for performing a range of clerical and administrative tasks to support daily operations...

In Person

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

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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%