Hours of Operation

Monday - Friday

10 a.m. to 8:30 p.m.

 

Saturday

9:30 a.m. to 6 p.m.

 

Sunday

10 a.m. to 6 p.m.

 

Business Center Hours

Monday - Friday

7 a.m. to 6:00 p.m., Hayward,CA Location Only: 8:00 AM - 6:00 PM

 

Saturday

7:00 a.m. to 4 p.m.

 

Sunday

Closed

 

Holiday Hours

 

New Year's Eve: 9:00 AM – 6:00 PM

New Year's Day: Closed

Easter: Closed

Memorial Day: Closed

Independence Day: Closed

Labor Day: Closed

Thanksgiving: Closed

Thanksgiving – Day After: 9:00 AM – 8:30 PM

Christmas Eve: 9:00 AM - 5:00 PM

Christmas: Closed

 

 

 

Some warehouses have special hours.  Ask at your local warehouse, visit costco.com or call the Customer Service line at 1-800-774-2678 for more information.