1

Office Assistant 3 Jobs in Riverside, CA (NOW HIRING)

Be Seen First

OA III

Rancho Cucamonga, CA · On-site

$22.50 - $24.50/hr

Office Assistant III Terrific opportunity for an experience Office Assistant! Must have at least 3+ years of Office/Clerical experience!! Answer phones, filing, update floorplans and phone lists ...

Be Seen First

OA III

Rancho Cucamonga, CA · On-site

$22.50 - $24.50/hr

Office Assistant III Terrific opportunity for an experience Office Assistant! Must have at least 3+ years of Office/Clerical experience!! Answer phones, filing, update floorplans and phone lists ...

Office Assistant

Tustin, CA · On-site

$17.50 - $23/hr

The Office Assistant provides administrative, workplace, and facilities support to ensure the ... Associate degree or equivalent work experience preferred. * 1-3 years of experience in office ...

Office Assistant

Tustin, CA · On-site

$17.50 - $23/hr

The Office Assistant provides administrative, workplace, and facilities support to ensure the ... Associate degree or equivalent work experience preferred. * 1-3 years of experience in office ...

Office Assistant

Tustin, CA · On-site

$17.50 - $23/hr

The Office Assistant provides administrative, workplace, and facilities support to ensure the ... Associate degree or equivalent work experience preferred. * 1-3 years of experience in office ...

Office Assistant

Orange, CA · On-site

$20 - $23/hr

... 3.5 hours of direct client service per workday. The meeting of such requirements will be addressed ... office supplies and coordinate ordering as needed • Assist with staff onboarding and ...

New

Office Assistant

Santa Ana, CA · On-site

$20 - $23/hr

... 3.5 hours of direct client service per workday. The meeting of such requirements will be addressed ... of office supplies and coordinate ordering as needed Assist with staff onboarding and ...

Office Assistant

Beaumont, CA · On-site

$17 - $22.50/hr

Minimum 3 Years Office Experience Answer multi line phones, Keep track of multiple emails Invoice customers in Quickbooks Email documents Accounts payable Accounts relievable Word, excel, and other ...

Administrative Assistant III

Irvine, CA · On-site

$19.25 - $26/hr

Administrative - Administrative Assistant III Location: Irvine, CA Duration: 24 months The ... Provide administrative support to ensure efficient operation of the office. * Support managers and ...

Front Office Assistant

Irvine, CA · On-site

$17 - $22.25/hr

The Administrative Assistant is responsible for providing a positive patient relation, proper ... 3. Opens office, turns lights on 4. Restock water cups, coffee pods & supplies, teas, Kleenex ...

next page

Showing results 1-20

Office Assistant 3 information

See Riverside, CA salary details

$10

$19

$26

How much do office assistant 3 jobs pay per hour?

As of Sep 15, 2026, the average hourly pay for office assistant 3 in Riverside, CA is $19.75, according to ZipRecruiter salary data. Most workers in this role earn between $16.78 and $22.07 per hour, depending on experience, location, and employer.

What is an Office Assistant 3?

Office Assistant 3s are administrative professionals who perform a variety of clerical and support tasks within an organization. Their duties often include managing correspondence, handling phone calls, maintaining records, scheduling appointments, and providing general support to staff or management. As a more advanced administrative role, Office Assistant 3s may also oversee junior administrative staff and handle more complex tasks than entry-level office assistants.

What are the key skills and qualifications needed to thrive as an Office Assistant 3, and why are they important?

To excel as an Office Assistant 3, you typically need strong organizational skills, attention to detail, and proficiency in office procedures, often supported by a high school diploma or equivalent experience. Familiarity with office software such as Microsoft Office Suite, document management systems, and multi-line phone systems is commonly required. Exceptional communication, time management, and problem-solving abilities help individuals stand out in this role. These competencies are crucial for efficiently managing administrative tasks, supporting team productivity, and ensuring smooth office operations.

What are some common challenges an Office Assistant 3 may face, and how can they be overcome?

Office Assistant 3s often manage a high volume of administrative tasks, including coordinating schedules, managing records, and supporting multiple departments. Balancing competing priorities and handling frequent interruptions can be challenging. To overcome these, it's helpful to develop strong organizational and time-management skills, communicate clearly with team members about workload and deadlines, and utilize task management tools to stay on track. Proactively seeking clarification on priorities and being adaptable to shifting needs can also contribute to success in this role.

What is the difference between Office Assistant 3 vs Office Assistant 2?

AspectOffice Assistant 3Office Assistant 2
Required CredentialsHigh school diploma, basic computer skillsHigh school diploma, basic computer skills
Work EnvironmentOffice settings, administrative supportOffice settings, administrative support
Employer & Industry UsageCommon in government, corporate, and educational institutionsSimilar, often entry-level roles in various industries
Job ResponsibilitiesHandling correspondence, data entry, schedulingAssisting with clerical tasks, data entry, customer service

The main difference between Office Assistant 3 and Office Assistant 2 lies in experience and complexity of tasks. Office Assistant 3 roles typically require more experience and involve handling more complex administrative duties, whereas Office Assistant 2 positions are more entry-level with basic clerical responsibilities. Both roles are essential in supporting office operations across various industries.

What are the duties of an Office Assistant 3?

An Office Assistant 3 is responsible for performing administrative tasks such as managing correspondence, scheduling appointments, maintaining files, and supporting office operations. They often use office software like Microsoft Office and may handle customer inquiries or data entry to ensure smooth workflow.

What are popular job titles related to Office Assistant 3 jobs in Riverside, CA?

For Office Assistant 3 jobs in Riverside, CA, the most frequently searched job titles are:

What cities near Riverside, CA are hiring for Office Assistant 3 jobs?

Cities near Riverside, CA with the most Office Assistant 3 job openings:

Infographic showing various Office Assistant 3 job openings in Riverside, CA as of September 2026, with employment types broken down into 1% Internship, 1% As Needed, 82% Full Time, 14% Part Time, and 2% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $41,089 per year, or $19.8 per hour.

Office Assistant III - Educational Services

Norco, CA • On-site

Corona-Norco Unified School District
Elementary and Secondary Schools • 501 - 1,000 employees

$18 - $23.75/hr

Full-time

Re-posted yesterday


Corona-Norco Unified School District rating

6.6

Company rating: 6.6 out of 10

Based on 7 frontline employees who took The Breakroom Quiz


Job description

About the Employer
The Corona-Norco Unified School District is the largest school district in Riverside County and the seventh-largest district in California. The success of our students is a direct result of our incredible classified and certificated staff members, which is why we believe in empowering our employees through a dedicated effort for continual training and professional development. Additionally, all teachers and administrators have access to participate in our induction program.
Job Summary
Under the direction of an administrator, perform a variety of clerical support duties for a department or program according to several specific routines and well-defined policies and procedures.
Work Days: Monday - Friday
Requirements / Qualifications
  • Proof of HS Graduation (high school diploma, official transcripts or equivalent)

Comments and Other Information
PLEASE READ AND REVIEW ALL THE INFORMATION BELOW BEFORE APPLYING
DISCLAIMER
All applications will be screened for completeness and job requirements. Please answer every question carefully. If your application is incomplete or does not meet the job requirements, you will be disqualified from further consideration for this recruitment.
Applicants who meet the minimum qualifications but are not selected for this position may be considered for substitute opportunities.
APPLICATION TIPS
Read job description to see the minimum requirements/qualifications needed for this job.
Please answer every question carefully. Do not leave blank spaces. You must complete all information pertaining to the employer including complete dates and contact information.
If a section of the employment application does not apply, please note N/A, or if a "Yes" or "No" answer is requested, you must fill in either a "Yes" or "No".
Do not state "See Resume"
You are required to give three (3) professional references that are related to your past work experience. Two (2) of the three must be your current or former supervisor. Use complete contact information including individuals name and their job title, organization/company name, their phone number and email address. Professional references will be called. Please use the most up-to-date information (give names and title even if person is no longer there.) The professional reference must be job related. Do not use friends or family members, unless you were employed by them.
Nondiscrimination Statement
The Corona Norco Unified School District is committed to equal opportunity for all individuals in education and in employment and does not discriminate on the basis of actual or perceived ancestry, age, color, physical or mental disability, medical condition, gender, gender identity, gender expression, nationality, national origin, immigration status, race or ethnicity, ethnic group identification, religion, sex, sexual orientation, marital or parental status, pregnancy or pregnancy-related conditions, or genetic identification, or association with a person or group with one or more of these actual or perceived characteristics. The District prohibits, at any district school or school activity, unlawful discrimination, harassment, intimidation, and bullying of any student based on the protected characteristics named above. In addition, the District does not discriminate on the basis of sex and prohibits sex discrimination in any education program or activity that it operates, as required by Title IX and 34 C.F.R. Part 106, including in admission and employment. Copies of CNUSD's policies and procedures for filing complaints, including Uniform Complaint Procedures, Sexual Harassment, Nondiscrimination, Title IX Rights and Protection and Statewide Resources are available in Board Policies/Administrative Regulations (BP 0300,BP 1312.3, BP/AR 4119.11, BP/AR 4390, BP/AR 5131.2, BP/AR 5145.3. BP 5145.7, AR 5145.71, BP 5146) and upon request.
For any concerns or questions regarding discrimination, equity, Title II, CCR Title 5 or Title IX or to report information about conduct that may constitute sex discrimination under Title IX, please contact Compliance Officer: RoseMarie Hickman, Ed.D., Director, Human Resources, Title IX Coordinator, 2820 Clark Avenue, Norco CA 92860, Office Telephone Number (951-736-5069 or 951-736-5060) and Email: RoseMarie.Hickman@cnusd.k12.ca.us.
For any allegations under Section 504 of the Rehabilitation Act of 1973, please contact: Crystal Carroll, Coordinator, Student Services, 2820 Clark Avenue, Norco CA 92860, Office Telephone Number (951-736-5114 or 951-736-5111) and Email: Crystal.Carroll@cnusd.k12.ca.us.
Americans with Disabilities Act: This organization complies with the Americans with Disabilities Act. Persons who may need some accommodations in the hiring process should contact Human Resources.
EDUCATIONAL REQUIREMENTS
High school diploma or equivalent education must be attached to all applications. Effective October 1, 2024: If you have an AA, Bachelor's, or Master's degree, you must also attach a copy of your high school diploma or equivalent. A college degree cannot be submitted in lieu of a high school diploma, unless your official college transcript clearly displays your high school graduation date and the name of the high school from which you graduated. Individuals who have completed high school, college, or university course work at an institution in a country other than the United States, must obtain a complete evaluation of foreign transcripts or degree. Foreign transcripts must be evaluated by an approved organization.
EXAMS
If an exam is required for a position, applicants who meet requirements will be notified via edjoin with the time, date and location of testing. Testing may include written, oral, performance, or other evaluation methods appropriate to measure knowledge, skills and abilities required.
The District provides benefits to employees who work four (4) or more hours per day or 20 hours per week. For more information you can visit the Benefits Department on the district website. www.cnusd.k12.ca.us
DOCUMENTS REQUIRED
Failure to attach all required documentation will result in the disqualification of your application. Incomplete applications will not be accepted . We do not accept documents by mail, fax, email or walk-ins.
Employment is subject to a criminal history check. Applicants cannot start work until this clearance is received from the Department of Justice.

What Corona-Norco Unified School District employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom