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Part Time Office Assistant Jobs in Rialto, CA (NOW HIRING)

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Part Time Office Assistant information

See Rialto, CA salary details

$9

$18

$25

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

As of Jul 27, 2026, the average hourly pay for part time office assistant in Rialto, CA is $18.99, according to ZipRecruiter salary data. Most workers in this role earn between $16.15 and $21.20 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 job categories do people searching Part Time Office Assistant jobs in Rialto, CA look for? The top searched job categories for Part Time Office Assistant jobs in Rialto, CA are:
What cities near Rialto, CA are hiring for Part Time Office Assistant jobs? Cities near Rialto, CA with the most Part Time Office Assistant job openings:
Part Time Office Assistant jobs near you
Infographic showing various Part Time Office Assistant job openings in Rialto, CA as of July 2026, with employment types broken down into 100% Part Time. Highlights an 100% In-person job distribution, with an average salary of $39,494 per year, or $19 per hour.

Business Office Assistant

Sunmar Management Services

Riverside, CA • On-site

$17.75 - $23/hr

Part-time

Posted 17 days ago

Job description

EOE Statement
We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status or any other characteristic protected by law.
Description
We are a skilled nursing facility looking for dynamic associates to join our team and provide our guests with a care experience that will change their lives! If you are a customer service oriented individual with a Business Office Assistant background, we want to meet you!
Provides clerical and administrative assistance to support the office manager and administrator of the facility.
Duties may include:
o Assisting with accounting responsibilities.
o Assists with incoming calls and communications.
o Manages filing systems.
o Updates paperwork and documents in word processing.
o Organizes and maintains office areas.
o Performs general office duties.
o Assists with event coordination.
o Provides backup support to office staff.
o Assists with new hire paperwork and onboarding.
o Inputs information into databases and spreadsheets (excel).
Position Requirements
Requirements:
High school diploma required.
6 months experience in an office setting required.
6 months experience in a Skilled Nursing Facility required.
Full-Time/Part-Time
On-Call
Shift
Days
Pay Range
DBA
Position
Business Office Assistant
Exempt/Non-Exempt
Non-Exempt
Open Date
1/9/2026
Location
Extended Care Hospital of Riverside
This position is currently accepting applications.

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