Costco Weekend Jobs in Diamond Bar, CA — Open Positions

As of October 2026, there are 13 Costco weekend openings in Diamond Bar, CA. Local pay ranges from $18 to $28/hr. Listings are updated daily — benefits start Day 1 for most positions.

Costco

$21.25/hr Inventory Clerk-Diamond Bar(PT)

Diamond Bar, CA

$19 - $23

Costco

Recent Job:Tire Center-Part Time(Contract,Diamond Bar)

Diamond Bar, CA

$18 - $25

Costco

Part Time Costco Entry Level Jobs

Diamond Bar, CA

$21 - $27

Costco

Start ASAP:Security Associate(Diamond Bar)

Diamond Bar, CA

$19 - $23

Costco

Membership Assistant - Part Time

Diamond Bar, CA

$23 - $28

Costco

Costco Temporary Jobs - Part Time

Diamond Bar, CA

$22 - $28

Costco

Evening/Weekend Front End Assistant(Diamond Bar)

Diamond Bar, CA

$18 - $24

Costco

Part Time Costco Full Time Jobs

Diamond Bar, CA

$18 - $24

Costco

Immediate Opening:Part Time(Gig)

Diamond Bar, CA

$18 - $23

Costco

(Diamond Bar)Part-Time:Weekend

Diamond Bar, CA

$20 - $23

Costco

Hiring in Diamond Bar:Weekend(Part-Time)

Diamond Bar, CA

$19 - $22

Costco

Immediate Opening:Student(Gig)

Diamond Bar, CA

$19 - $24

Costco Weekend Jobs in Diamond Bar — FAQ

How many Costco weekend jobs are open in Diamond Bar, CA?
There are currently 13+ Costco weekend positions in Diamond Bar, CA. New weekend roles are added regularly — check this page for the latest openings.
How much do Costco weekend jobs pay in Diamond Bar?
Costco weekend pay in Diamond Bar varies by specific role and shift. Most positions include shift differentials for nights and weekends, plus benefits starting Day 1. Browse the listings above to see pay details for each opening.
Does Costco hire for weekend positions with no experience in Diamond Bar?
Many Costco weekend positions in Diamond Bar require no prior experience. Costco provides paid training for new hires. Check individual listings for specific requirements.
How do I apply for Costco weekend jobs in Diamond Bar?
Browse the 13+ weekend listings above, click on any position for full details including pay and shift times, then follow the application link. Most Costco positions have a 15–30 minute online application.

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Other Costco Jobs in Diamond Bar

Costco Part-Time Jobs in Diamond Bar

58 open positions

Costco Grocery & Fresh Jobs in Diamond Bar

9 open positions

Costco Delivery Driver Jobs in Diamond Bar

6 open positions

Costco Fulfillment Center Jobs in Diamond Bar

6 open positions

Costco Overnight Jobs in Diamond Bar

3 open positions

Costco CDL Driver Jobs in Diamond Bar

2 open positions

Costco Pharmacy Jobs in Diamond Bar

2 open positions

Costco Customer Service Jobs in Diamond Bar

1 open positions

Last updated: October 30, 2026