Costco
999 N Elmhurst Rd
Mt Prospect, IL 60056 847-660-2000
Mt Prospect, IL 60056 847-660-2000
Ratings
Consumer Ratings for Costco — 2 Ratings
Percent of customers who rated service "superior" for:
Advice on choice and use of products
Staff attitudes/atmosphere
Reliability (standing behind products, delivering on time, etc.)
Overall quality
Consumer Comments for Costco
Oct 30, 2025
Apr 17, 2020