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Part Time Office Assistant Jobs in Riverside, CA

Office/HR Assistant

Tustin, CA · On-site

$20 - $25/hr

Opportunity for advancement Office / HR Assistant (Part-Time) Location: Tustin, CA 92780 Company: Enry JP Corporation (Gyu-Kaku Japanese BBQ Franchise) Position Summary We are looking for a motivated ...

Office Sales Assistant

Mission Viejo, CA · On-site

$16.50 - $22.75/hr

Pay by Hourly Job Type * Part time B enefits * Health insurance * PTO * Paid Training ... Sales Assistant Qualifications/Skills: * Written and verbal communication skills * Computer data ...

Office Sales Assistant

Mission Viejo, CA · On-site

$16.50 - $22.75/hr

Pay by Hourly Job Type * Part time B enefits * Health insurance * PTO * Paid Training ... Sales Assistant Qualifications/Skills: * Written and verbal communication skills * Computer data ...

Office Coordinator

Riverside, CA · On-site

$18.75 - $25/hr

... office activities to assist the Health & Exercise Science Department Chair in various ... This is a part-time position of 20 (50%) hours per week. Essential Duties and Responsibilities ...

Posted today

Job Type Part-time Description Lima One Capital is seeking a Front Officer Coordinator for our ... Sign for deliveries and ensure all mail and packages are distributed accordingly. * Assist with ...

Showing results 21-40

Part Time Office Assistant information

See Riverside, CA salary details

$10

$19

$26

How much do part time office assistant jobs pay per hour?

As of Aug 14, 2026, the average hourly pay for part time office assistant 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 are the key skills and qualifications needed to thrive as a part time office assistant, and why are they important?

To thrive as a Part Time Office Assistant, you need organizational skills, attention to detail, and basic computer literacy, often supported by a high school diploma or equivalent. Familiarity with office software such as Microsoft Office Suite, email platforms, and common office equipment is typically required. Strong communication, time management, and a proactive attitude help you stand out in this support role. These skills are vital for maintaining efficient office operations and ensuring tasks are completed accurately and on time.

What are some common challenges a part time office assistant might face, and how can they be addressed?

Part Time Office Assistants often juggle multiple responsibilities in a limited timeframe, such as managing correspondence, scheduling, and supporting team members. Balancing these tasks efficiently can be challenging, especially when priorities shift quickly. Clear communication with supervisors and proactive time management are essential for staying organized. Many offices use digital tools to streamline workflows, so being adaptable and open to learning new systems can also help overcome these challenges.

What does a part time office assistant do?

A Part Time Office Assistant provides administrative support to ensure the smooth operation of an office. Typical duties include answering phones, filing documents, scheduling appointments, maintaining records, and assisting with basic bookkeeping or data entry. They may also help with preparing reports, managing office supplies, and supporting other staff as needed. Part-time positions generally require fewer hours than full-time roles, offering flexibility for students or those seeking work-life balance.

What is the difference between Part Time Office Assistant vs Part Time Administrative Assistant?

AspectPart Time Office AssistantPart Time Administrative Assistant
CredentialsHigh school diploma or equivalent; basic computer skillsHigh school diploma; may require familiarity with office software
Work EnvironmentFront desk, reception, general office tasksClerical, data entry, scheduling, correspondence
Employer & Industry UsageRetail, healthcare, small businessesCorporate offices, nonprofits, government agencies
Search & Comparison IntentOften compared for entry-level office rolesCompared for administrative support positions

Both roles involve supporting office functions, but Part Time Office Assistants typically handle reception and basic clerical tasks, while Part Time Administrative Assistants focus more on data management and scheduling. The choice depends on the specific duties required by the employer.

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

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

What job categories do people searching Part Time Office Assistant jobs in Riverside, CA look for?

The top searched job categories for Part Time Office Assistant jobs in Riverside, CA are:

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

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

Infographic showing various Part Time Office Assistant job openings in Riverside, CA as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 12% Part Time, 1% Temporary, and 4% Contract. Highlights an 88% Physical, 5% Hybrid, and 7% Remote job distribution, with an average salary of $41,089 per year, or $19.8 per hour.

Jack H. Brown College, Dean's Office - Student Assistant

California State University

San Bernardino, CA • On-site

$16.90/hr

Full-time, Part-time

This job post has expired today. Applications are no longer accepted.


California State University rating

7.7

Company rating: 7.7 out of 10

Based on 45 frontline employees who took The Breakroom Quiz

260th of 618 rated colleges and universities


Job description

Jack H. Brown College, Dean's Office - Student Assistant

Apply now Job no: 559907
Work type: Student Assistant
Location: San Bernardino - Palm Desert Campus
Categories: Administrative, Temporary, Part Time, On-site (work in-person at business location), Unit 15 - CSUEU - Student Assistants

Job Summary:

Students will receive lead work direction from the Associate Dean & College Office Coordinator. Duties include but are not limited to organizing data and preparing documents for AACSB accreditation, campus deliveries, and pick-ups, occasionally assisting in answering phones & working reception when front office coverage is needed, filing, faxing, copying, mailings, assisting in preparing and setting up for JHBC events that the Dean's office coordinates, some lifting may be required.

Responsibilities:

Under direct supervision, duties include but not limited to:
- Student Assistants will serve as the first point of contact for the JHBC Dean's Office reception desk.
- Communicate with guests via verbal, written, and electronic correspondence (i.e., answering phones, sending emails, greeting clients as they enter the JHBC Dean's Office, etc.).
- Work closely and assist JHBC departments concerning student employment procedures.
- Maintain files (creating, updating and organizing).
- Assist with clerical functions for the JHBC Dean's Office (i.e., file paperwork, maintain an organized working environment, etc.).
- Making deliveries to university departments and programs.
- Student Assistants will assist with JHBC events.
- Student Assistants will perform other duties and responsibilities as assigned.

Minimum Qualifications:

  • Ability to learn and perform assigned work; follow oral instructions; work cooperatively with faculty, staff, and other students; communicate effectively with all levels; and read and write English at a level appropriate to the position.
  • Special Qualification: Admission or registration as a CSU student.

Required Qualifications:

  • Maintain a 2.0 G.P.A. or greater per semester and cumulative.
  • Students must be enrolled in at least halftime units at CSUSB (6 units undergraduate; 3 units graduate)
  • International students must have full-time enrollment at CSUSB. (12 units undergraduate; 6 units graduate)
  • Eligible to work in the United States
  • Payroll Requirement: Social Security Card

Preferred Qualifications:

- Office experience
- JHBC student
-
Ability to communicate and write proficiently
- Ability to learn quickly and complete assignments in a timely manner
- Ability to multitask
- Incumbent must be detail-oriented, punctual, and reliable
- Ability to work both in a team and individual environment
- Interpersonal skills
- Experience using Microsoft Word, PowerPoint, Excel, and other applications.

Compensation and Benefits:

Student Employment Anticipated Hiring Range: $16.90 per hour.

The compensation offered will consider internal equity and experience among other factors.

Position Information:

Work status: Part-Time, Temporary, Seasonal

Academic year available hours: Monday through Friday (8:00 am - 5:00 pm).

Summer available hours: Monday through Thursday (7:00 am - 5:30 pm).
The application deadline is: August 07, 2026; however, the position may close when an adequate number of qualified applications are received.

This is an 'On-Campus Only' position. Student Employees are not eligible to telecommute at any time.

California State University, San Bernardino, as part of the CSU system, is a State of California Employer. As such, the University requires all employees upon date of hire to reside in the State of California. As of January 1, 2022 the CSU Out-of-State Employment Policy prohibits the hiring of employees to perform CSU-related work outside the state of California.

California State University, San Bernardino in not a sponsoring agency for staff or management positions (i.e. H1-B Visas).

Education Code 89521 Requirements: Applicants will be required to disclose whether they have received a final administrative decision or final judicial decision determining that they have committed sexual harassment within the last 7 years only after a determination is made that they meet the minimum qualifications for the position, and before an offer of employment is extended. Applicants who reach the final stages of the application process must also sign a release form that authorizes the release of information by the applicant's current and/or former employers to the CSU concerning any substantiated allegations of misconduct.

Conditions of Employment

Background Check
Satisfactory completion of a background check (including a criminal records check) may be required for student employment purposes. CSU will make a conditional offer of employment, which may be rescinded if the background check reveals disqualifying information, and/or it is discovered that the candidate knowingly withheld or falsified information.  Failure to satisfactorily complete the background check when required may affect the continued employment of a current CSU employee who was conditionally offered the position.

Driver's License Check
Possession of a valid Driver's License may be required.  Employees in this position will be enrolled in the Department of Motor Vehicles (DMV) Government Employer Pull Notice Program which confirms possession of a valid driver's license and reflects driving record.

I-9
CSUSB hires only individuals lawfully authorized to work in the United States. In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.  See Form I-9 Acceptable Documents at https://www.uscis.gov/i-9-central/form-i-9-acceptable-documents.

On Campus Commitment

In our commitment to the furthering of knowledge and fulfilling our educational mission, California State University, San Bernardino seeks a campus climate that welcomes, celebrates, and promotes respect for the entire variety of human experience. We welcome people from all backgrounds, and we seek to include knowledge and values from many cultures in the curriculum and extra-curricular life of the campus community. We will create, promote, and maintain activities and programs that further our understanding of individual and group diversity. We will also develop and communicate policies and promote values that discourage intolerance and discrimination.

California State University, San Bernardino is proud to be an Affirmative Action/Equal Opportunity Employer. We recruit, hire, train, and administer all personnel actions without regard to race, ethnicity, religion, color, caste, national origin, ancestry, age, sex, gender, gender identity, gender expression, sexual orientation, socioeconomic status, genetic information, medical condition, disability, marital status, protected military or veteran status, or any other status protected by applicable law. This position adheres to CSU policies against Sex Discrimination, Sexual Harassment, and Sexual Violence, including Domestic Violence, Dating Violence, and Stalking. This requires completion of Sexual Violence Prevention Training within 6 months of assuming employment and on a two-year basis thereafter. (Executive Order 1096) For more information about Diversity & Inclusion at CSUSB, please visit https://www.csusb.edu/human-resources/diversity-inclusion

Closing Statement:

Reasonable Accommodation
We provide reasonable accommodation to applicants and employees with disabilities. Applicants with questions about access or requiring reasonable accommodation for any part of the application or hiring process should contact CSUSB Benefits at benefits@csusb.edu.

Smoking
CSUSB is a smoke and tobacco-free campus.  See policy https://calstate.policystat.com/policy/6591951/latest/.

Clery Act
In compliance with state and federal crime awareness and campus security legislation, including The Jeanne Clery Disclosure of Campus Security Policy and Crime Statistics Act, California Education Code section 67380, and the Higher Education Opportunity Act (HEOA), the Cal State San Bernardino Annual Security and Fire Safety Report is available at: https://www.csusb.edu/clery-act.

Advertised: 08 Jul 2026 Pacific Daylight Time
Applications close: 07 Aug 2026 Pacific Daylight Time

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About California State University

Sourced by ZipRecruiter

California State University, Fresno is one of 23 campuses in the California State University System. The University's mission is to boldly educate and empower students for success through our values of Discovery, Diversity and Distinction. The current student population is more than 25,000, including a large percentage of students with diverse and culturally rich backgrounds. The University serves the San Joaquin Valley while maintaining deep involvement with the state, nation, and across the globe.

Industry

Colleges, universities, and professional schools

Company size

1,001 - 5,000 Employees

Headquarters location

Long Beach, CA, US