JUNE

Weekly AD

2026

Costco 9404 Central Ave, Montclair, CA

Store Location

Costco

9404 Central Ave

Montclair, CA 91763

(909) 575-5004

Official Website

Store Hours

Monday 10:00 AM – 8:30 PM
Tuesday 10:00 AM – 8:30 PM
Wednesday 10:00 AM – 8:30 PM
Thursday 10:00 AM – 8:30 PM
Friday 10:00 AM – 8:30 PM
Saturday 9:30 AM – 6:00 PM
Sunday 10:00 AM – 6:00 PM

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