Here are some of the top stories of the week on columbian.com. Wondering what else was popular this week with readers? Check ...

The Pleasanton Police Department will be assigning additional officers to patrol in the area of a new Costco store that ...

While Costco is popular, it might surprise you that people often line up outside of the warehouses before they open. There ...

Discover how to save big at Costco with these six popular items. From Kirkland Signature items to unbeatable gas prices, ...

As Castle Rock shoppers pick up last-minute Thanksgiving supplies, some are looking forward to having a new spot in the ...

Costco is famous for offering deep discounts on products ranging from diapers to dog food -- all in bulk sizing to maximize ...

More than a dozen new businesses will join Costco and In-N-Out at the Pioneer Street junction with Interstate 5 in Ridgefield.

The Costco mobile app can help you save more money and time. Here are three useful app features you may not know exist.

Shopping at Costco for the holidays could take away some of the stress while helping you stick to a budget. And if you use ...

Make sure to start at the back of the store and work your way toward “center court” where Costco ... deal on bulk flower purchases by shopping at Costco. Buy bunches of flowers and arrange ...

Costco is famous for offering deep discounts on products ranging from diapers to dog food — all in bulk sizing to maximize your shopping list. However, even with great deals, a trip to Costco ...