You have the opinions of real people who are consuming the services of Costco Wholesale (Pharmacy) around Colorado area.
At the present this business gets a rating of 4.5 out of 5 and that score is based on 1818 reviews.
As you can read, the average score it has is practically the best one, and it is founded on a large number of scores, so we can conclude that the rating is quite credible. If many people have bothered to value when they've done well with the business, it works.
You know that we don't usually stop to set opinions when these are correct and we usually do it only if we have had a problem or issue...
This Pharmacy corresponds to the category of Warehouse store.