New Costco Stores Opening In These CA Towns: Report

Costco isn't the only big-box retailer growing in the Golden State, the California Post noted, as Sam's Club recently opened a new store.

By Anna Schier, Patch Staff

Sep 30, 2026 8:54 PM PDT

The new store is being built as Costco plans to open 33 locations during the 2027 fiscal year, according to the Post. A Camarillo store is set to open Oct. 30, the Post reported. (David Allen/Patch)

A new Costco store is coming to Vallejo, the California Post recently reported, citing a video of the construction site circulating on social media.

The new store is being built as Costco plans to open 33 locations during the 2027 fiscal year, according to the Post, with additional outposts coming to several states across the country in the coming months. In California, a Camarillo store is set to open Oct. 30, the Post reported.

Costco isn't the only big-box retailer growing in the Golden State, the Post noted, as Sam's Club recently opened a store in Lathrop.