Costco Careers in Ontario, CA — Now Hiring
As of October 2026, there are 39+ open Costco positions in Ontario, CA. Current pay ranges from $17 to $32 per hour. Top hiring areas include Warehouse, Grocery and Part Time. New roles are posted daily — listings on this page are verified and updated regularly.
Costco
$21.50/hr Inventory Auditor-Ontario(PT)
Ontario, CA
$19 - $24
Costco
Urgent Hire in Ontario:Tire Technician
Ontario, CA
$19 - $23
Costco
[Part-Time] Accounts Payable Clerk-Ontario
Ontario, CA
$19 - $25
Costco
[Part-Time] Store-Ontario
Ontario, CA
$17 - $22
Costco
[Part-Time] Cart Attendant-Ontario
Ontario, CA
$18 - $24
Costco
Flexible Hours:Maintenance Technician-Ontario
Ontario, CA
$23 - $30
Costco
Weekend Shift:Kitchen Assistant-Ontario
Ontario, CA
$20 - $25
Costco
Earn Extra Cash:Online Fulfillment(Ontario)
Ontario, CA
$18 - $23
Costco
Earn Extra Cash:E-commerce Associate(Ontario)
Ontario, CA
$19 - $24
Costco
Ontario Job:Inventory Auditor(No Exp Req*)
Ontario, CA
$18 - $22
Costco
Urgent Hire in Ontario:Tire Technician
Ontario, CA
$18 - $21
Costco
(Ontario)Part-Time:Accounting Clerk
Ontario, CA
$18 - $23
Costco Careers in Ontario — FAQ
How many Costco jobs are available in Ontario, CA right now?
There are currently 39+ open Costco positions in Ontario, CA. These include cashiers, sales associates, stock associates, customer service reps, and store management roles across many Costcoers. New jobs are added daily.
How much do Costco jobs pay in Ontario?
Costco pay in Ontario varies by employer and role: cashiers and sales associates typically earn $12–$18/hr, stock and overnight associates $13–$19/hr, and store managers roughly $45K–$75K+/year. Some employers add extra pay for night and weekend shifts.
Are there Costco jobs with no experience in Ontario?
Yes. Most cashier, sales associate, and stock positions in Ontario require no prior experience, and employers typically provide paid on-the-job training. Some specialized roles such as pharmacy or management may ask for relevant experience — check each listing.
What shifts and hours do Costco jobs offer in Ontario?
Costco shifts in Ontario are flexible: daytime, evening, overnight stocking, and weekend-only schedules are all common. Part-time shifts of 4–6 hours are widely available alongside full-time roles, so you can find hours that fit around school, family, or another job.
What benefits do Costco jobs offer in Ontario?
Benefits for Costco jobs in Ontario vary by employer, but many roles include an employee discount, flexible scheduling, and paid training. Full-time positions often add health, dental, and vision insurance, a 401(k), and paid time off. Check each listing for specifics.
How much is Costco take-home pay after taxes in Ontario?
Your take-home pay in Ontario depends on your hourly rate, hours worked, and state tax rate. For example, an associate earning $15/hr full-time in a no-tax state like Texas takes home roughly $500/week, while in California it's a bit lower after state tax.
Which Costco stores are hiring immediately in Ontario?
Many Costcoers in Ontario are hiring immediately, with start dates often within 1–2 weeks of applying — and faster during seasonal peaks. Browse the 39+ listings above and apply directly to the employer.
Last updated: October 03, 2026