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Costco Janitor Jobs in Riverside, CA (NOW HIRING)

Costco Wholesale Corporation

Maintenance Assistant

Tustin, CA · On-site

$17.25 - $22/hr

The listing does not mean that any positions are currently open or available at Costco. Position Summary Provides janitorial services and general maintenance of warehouse and grounds. Provides a high ...

Costco Wholesale Corporation

Maintenance Clerk

Irvine, CA · On-site

$18.25 - $22/hr

Please click here to review the Costco Applicant Privacy Notice. The jobs listed are examples of ... Provides janitorial and general maintenance of warehouse and grounds. For additional information ...

Costco Wholesale Corporation

Maintenance Clerk

Corona, CA · On-site

$17.50 - $21.25/hr

Please click here to review the Costco Applicant Privacy Notice. The jobs listed are examples of ... Provides janitorial and general maintenance of warehouse and grounds. For additional information ...

Costco Wholesale Corporation

Maintenance Clerk

Mira Loma, CA · On-site

$17.25 - $20.75/hr

Please click here to review the Costco Applicant Privacy Notice. The jobs listed are examples of ... Provides janitorial and general maintenance of warehouse and grounds. Provides a high level of ...

Costco Wholesale Corporation

Maintenance Clerk

Corona, CA

$17.50 - $21.25/hr

Please click here to review the Costco Applicant Privacy Notice. The jobs listed are examples of ... Provides janitorial and general maintenance of warehouse and grounds. Provides a high level of ...

Costco Wholesale Corporation

Maintenance Clerk

Ontario, CA · On-site

$17 - $20.50/hr

Please click here to review the Costco Applicant Privacy Notice. The jobs listed are examples of ... Provides janitorial and general maintenance of warehouse and grounds. Provides a high level of ...

Costco Wholesale Corporation

Maintenance Clerk

Highland, CA · On-site

$17 - $20.25/hr

Please click here to review the Costco Applicant Privacy Notice. The jobs listed are examples of ... Provides janitorial and general maintenance of warehouse and grounds. Provides a high level of ...

Costco Wholesale Corporation

Maintenance Clerk

Eastvale, CA · On-site

$17.25 - $20.75/hr

Please click here to review the Costco Applicant Privacy Notice. The jobs listed are examples of ... Provides janitorial and general maintenance of warehouse and grounds. Provides a high level of ...

Costco Wholesale Corporation

Maintenance Clerk

Fontana, CA · On-site

$17.50 - $21/hr

Please click here to review the Costco Applicant Privacy Notice. The jobs listed are examples of ... Provides janitorial and general maintenance of warehouse and grounds. Provides a high level of ...

Costco Wholesale Corporation

Maintenance Clerk

San Dimas, CA · On-site

$17 - $20.50/hr

Please click here to review the Costco Applicant Privacy Notice. The jobs listed are examples of ... Provides janitorial and general maintenance of warehouse and grounds. Provides a high level of ...

Costco Wholesale Corporation

Maintenance Clerk

Tustin, CA · On-site

$18.25 - $22/hr

Please click here to review the Costco Applicant Privacy Notice. The jobs listed are examples of ... Provides janitorial and general maintenance of warehouse and grounds. Provides a high level of ...

Costco Wholesale Corporation

Maintenance Clerk

San Dimas, CA · On-site

$17 - $20.50/hr

Please click here to review the Costco Applicant Privacy Notice. The jobs listed are examples of ... Provides janitorial and general maintenance of warehouse and grounds. Provides a high level of ...

Costco Wholesale Corporation

Maintenance Clerk

Mira Loma, CA · On-site

$17.25 - $20.75/hr

Please click here to review the Costco Applicant Privacy Notice. The jobs listed are examples of ... Provides janitorial and general maintenance of warehouse and grounds. Provides a high level of ...

Costco Wholesale Corporation

Maintenance Clerk

Montclair, CA · On-site

$17 - $20.50/hr

Please click here to review the Costco Applicant Privacy Notice. The jobs listed are examples of ... Provides janitorial and general maintenance of warehouse and grounds. Provides a high level of ...

Costco Wholesale Corporation

Maintenance Clerk

Mira Loma, CA · On-site

$17.25 - $20.75/hr

Please click here to review the Costco Applicant Privacy Notice. The jobs listed are examples of ... Provides janitorial and general maintenance of warehouse and grounds. Provides a high level of ...

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All JobsCostco Janitor JobsCostco Janitor Jobs in Riverside, CA

Costco Janitor information

See Riverside, CA salary details

$9

$16

$22

How much do costco janitor jobs pay per hour?

As of Jul 27, 2026, the average hourly pay for costco janitor in Riverside, CA is $16.58, according to ZipRecruiter salary data. Most workers in this role earn between $14.28 and $18.32 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in the Costco Janitor position, and why are they important?

To thrive as a Costco Janitor, you need basic cleaning skills, attention to detail, and the physical stamina necessary for extended periods of walking, lifting, and standing. Familiarity with industrial cleaning equipment and standard safety procedures, such as proper handling of cleaning chemicals, is often required. Reliability, teamwork, and a positive attitude help you excel in maintaining a clean and safe environment for customers and colleagues. These skills are crucial because janitorial work directly impacts the safety, customer experience, and overall presentation of the store.

What are the typical daily responsibilities for a Costco Janitor?

As a Costco Janitor, your typical day will involve sweeping and mopping floors, cleaning restrooms, emptying trash bins, and ensuring that high-traffic areas like entrances and food courts remain spotless. You’ll also be responsible for responding to spills or accidents quickly to maintain customer safety. Janitors often work closely with other team members and departments to coordinate cleaning tasks and support warehouse operations. The role can involve working early mornings or late evenings, depending on store needs, and includes regular use of cleaning equipment. Maintaining a clean and welcoming environment helps ensure a positive shopping experience for all Costco members.

What does a Costco Janitor do?

A Costco Janitor is responsible for maintaining cleanliness and sanitation throughout the store. Duties include sweeping, mopping, emptying trash, cleaning restrooms, and ensuring a safe shopping environment. They may also handle spills, restock cleaning supplies, and assist with other maintenance tasks as needed. This role is essential for keeping the store clean and welcoming for customers and employees.

What are popular job titles related to Costco Janitor jobs in Riverside, CA? For Costco Janitor jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Costco Janitor jobs in Riverside, CA look for? The top searched job categories for Costco Janitor jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Costco Janitor jobs? Cities near Riverside, CA with the most Costco Janitor job openings:
Costco Janitor jobs near you
Infographic showing various Costco Janitor job openings in Riverside, CA as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $34,486 per year, or $16.6 per hour.
Maintenance Assistant

Maintenance Assistant

Costco Wholesale Corporation

Tustin, CA • On-site

$17.25 - $22/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 18 days ago

Costco rating

8.1

Company rating: 8.1 out of 10

Based on 1,906 frontline employees who took The Breakroom Quiz

2nd of 39 rated national retailers

Job description


California applicants: Please click here to review the Costco Applicant Privacy Notice.
The jobs listed are examples of the typical kinds of positions that Costco may hire for when openings exist. The listing does not mean that any positions are currently open or available at Costco.
Position Summary
Provides janitorial services and general maintenance of warehouse and grounds. Provides a high level of member service..
Job Duties
  • Cleans warehouse floors, offices, break room, and restrooms by operating self-propelled floor scrubbing machinery, and by sweeping, mopping, spraying, and wiping. Follows departmental procedures and standards for cleanliness and performance of duties. Restocks supplies.
  • Paints, replaces bulbs, maintains equipment, and performs routine repairs throughout the warehouse. Assists in building displays and fixtures.
  • Maintains grounds outside the warehouse including blowing leaves, picking up litter, roof checks, pressure washing, and building maintenance. Participates in snow and ice removal.
  • Follows safety and security procedures, such as tagging and locking off power access when working on electrical equipment or contracting out electrical work, wearing safety goggles when using compactor and baler, product disposal. Responds quickly to clean up spills.
  • Empties trash from designated areas throughout the warehouse. Operates garbage compactor and cardboard baler.
  • Checks daily schedule for assigned routine tasks and maintenance repair jobs.
  • Drives personal vehicle to purchase supplies and parts needed for projects.
  • Ensures proper cleanup and disposal of hazardous materials.
  • Ability to operate vehicles, equipment or machinery.
  • Assists with department duties as necessary.
  • Assists in other departments of the warehouse as necessary.

For additional information about pay ranges, click here.
We offer a comprehensive package of benefits including paid time off, health benefits - medical/dental/vision/hearing aid/pharmacy/behavioral health/employee assistance, health care reimbursement account, dependent care assistance plan, short-term disability and long-term disability insurance, AD&D insurance, life insurance, 401(k), stock purchase plan to eligible employees.
Apart from any religious or disability considerations, open availability is needed to meet the needs of the business. If hired, you will be required to provide proof of authorization to work in the United States.
Job Description Posting Updated: July 2026 Job Code: 0507

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About Costco

Sourced by ZipRecruiter

Costco is a membership warehouse club, dedicated to bringing our members the best possible prices on quality brand-name merchandise. With more than 800 locations worldwide, Costco provides a wide selection of merchandise, plus the convenience of specialty departments and exclusive member services, all designed to make your shopping experience a pleasurable one. Today, as the company evolves, it stays true to the qualities that helped attract and retain millions of loyal members around the globe: Commitment to quality. Costco warehouses carry about 4,000 SKUs (stock keeping units) compared to the 30,000 found at most supermarkets. By carefully choosing products based on quality, price, brand, and features, the company can offer the best value to members.

Industry

Retail

Company size

10,000+ Employees

Headquarters location

Issaquah, WA, US

Year founded

1983

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