Costco Jobs in Ontario, CA — Open Positions
As of September 2026, there are 50+ open Costco positions in Ontario, CA. Current pay ranges from $16 to $27 per hour. Top hiring areas include Part Time, Weekend and Grocery. New roles are posted daily — listings on this page are verified and updated regularly.
Costco
Recent Job:Loss Prevention Clerk-Part Time(Contract,Ontario)
Ontario, CA
$20 - $24
Costco
Ontario Contract:Part Time Order Picker
Ontario, CA
$19 - $23
Costco
Ontario Flexible Role:Maintenance Worker-Part Time
Ontario, CA
$18 - $23
Costco
Entry Part Time(Flexible)|Ontario
Ontario, CA
$18 - $23
Costco
Tire Center-Part Time(Contract)|Ontario
Ontario, CA
$18 - $25
Costco
Flexible Security(Ontario)
Ontario, CA
$19 - $25
Costco
Flexible Store Associate(Ontario)
Ontario, CA
$18 - $24
Costco
Ontario Contract:Food Service Worker-Part Time
Ontario, CA
$18 - $24
Costco
Recent Job:Student(Contract,Ontario)
Ontario, CA
$19 - $24
Costco
Ontario Contract:Facilities Maintenance
Ontario, CA
$18 - $25
Costco
Transportation Jobs - Part Time
Ontario, CA
$18 - $24
Costco
Cashier - Part Time
Ontario, CA
$19 - $23
Costco Jobs in Ontario — FAQ
How many Costco jobs are available in Ontario, CA right now?
There are currently 50+ open Costco positions in Ontario, CA. These include warehouse associates, delivery drivers, fulfillment center workers, sortation center staff, and management roles. New jobs are added daily.
How much does Costco pay in Ontario?
Costco pay in Ontario varies by role: Warehouse associates earn $15–$22/hr, delivery drivers $18–$25/hr, CDL truck drivers $25–$35/hr, and area managers $50K–$90K+/year. Night and weekend shifts include $0.50–$3.00/hr extra.
Does Costco hire with no experience in Ontario?
Yes. Most Costco warehouse, fulfillment center, and sortation center positions in Ontario require no prior experience. Costco provides paid training for new hires. Delivery driver positions require a valid driver's license but no commercial license (CDL) for most routes.
What are Costco's shifts and hours in Ontario?
Costco offers multiple shift options in Ontario: day shift (6 AM–4:30 PM), evening/twilight shift (1 PM–11:30 PM), night/overnight shift (6 PM–6 AM), and weekend-only schedules (Fri–Sun or Sat–Mon). Part-time shifts of 4–5 hours are also available. Overnight and weekend shifts pay extra shift differentials.
What benefits does Costco offer employees in Ontario?
Costco employees in Ontario receive benefits starting Day 1, including: health, dental, and vision insurance; 401(k) with company match; paid time off; up to 20 weeks paid parental leave; free career training through Career Choice program (covers tuition up to $5,250/year); employee discount; and weekly pay.
How much is Costco take-home pay after taxes in Ontario?
Your Costco take-home pay in Ontario depends on your hourly rate, hours worked, and state tax rate. For example, a warehouse worker earning $18/hr in a no-tax state like Texas takes home about $614/week, while in California it's closer to $548/week after state tax.
Is Costco hiring immediately in Ontario?
Yes, many Costco positions in Ontario are hiring immediately with start dates within 1–2 weeks of applying. Some fulfillment center and delivery station roles offer same-week start dates. Browse the 50+ listings above and apply directly.
Last updated: September 17, 2026