Costco fans in Idaho, your next shopping trip might be getting a whole lot easier! A brand-new Costco warehouse opens in South Meridian on Thursday, November 5, 2026, and it brings more than just another place to load up on bulk groceries and household essentials.
The new location will feature a massive warehouse, hundreds of parking spaces, a gas station, and several convenient services. Even better, shoppers in South Meridian and nearby Kuna may finally have a closer option for their Costco runs.
Here’s everything you need to know before opening day, including the location, hours, membership costs, and a special sign-up offer.
The New Costco Opens November 5
Mark your calendar! Costco has officially confirmed that its new South Meridian warehouse will open on Thursday, November 5, 2026.
According to local news outlet BoiseDev, the doors are expected to open at 8 a.m. That gives excited shoppers a chance to get an early start on exploring the new location.
The warehouse’s official address is 203 E. Tower Lane, Meridian, ID 83642.
It’s located near the intersection of Meridian Road and Lake Hazel Road, close to the Kuna city boundary.
One important detail: This is an additional Costco, not a replacement for the existing Meridian location on West Chinden Boulevard. That means local shoppers will have another warehouse to choose from.
It’s Going to Be a Huge Warehouse
If you enjoy wandering through Costco’s enormous aisles, this new location should catch your attention.
The South Meridian project covers approximately 200,000 square feet, according to local reporting and city construction records. That footprint also includes space for delivery and distribution operations.
The development plans also call for 903 parking spaces. That’s plenty of planned parking capacity, although opening-day crowds could still make finding a convenient spot challenging.
The new warehouse is part of the larger Pinnacle development, which includes plans for additional commercial buildings and residential neighborhoods.
The Gas Station Is Already Open
Here’s some good news for drivers: You don’t have to wait until November 5 to visit the new Costco property.
Costco lists October 28, 2026, as the official opening date for its South Meridian gas station.
That means the fueling facility opened ahead of the main warehouse.
City permit records describe a station with 16 fuel dispensers, making it a substantial addition to the property.
Remember that Costco gas stations generally require an eligible Costco membership or an accepted Costco Shop Card for purchases. You can pay using Visa, debit cards, or Costco Shop Cards.
Shoppers Will Find Several Useful Services
The new Costco isn’t just about buying giant packages of paper towels and stocking the pantry.
Costco’s official opening announcement confirms several services for the South Meridian location, including a pharmacy, optical department, hearing aid center, and tire service center.
The warehouse directory also lists an AT&T cellular kiosk.
These extra services could make the location especially convenient for shoppers who prefer to handle several errands in one trip.
However, department-specific operating hours and appointment availability haven’t been confirmed in the available opening information.
There’s a Special Membership Offer
Thinking about joining Costco? The South Meridian opening comes with a little extra incentive.
Costco is advertising a $40 Digital Costco Shop Card for qualifying new Executive members and a $20 Digital Costco Shop Card for qualifying Gold Star members who join before December 6, 2026.
Here’s what the regular membership options cost:
- Gold Star Membership: $65 per year.
- Executive Membership: $130 per year, including a 2% annual reward on qualifying purchases, up to $1,250.
The Executive reward has exclusions, including gas purchases, and the sign-up promotion comes with additional terms.
Check Costco’s official opening page before joining to make sure you qualify.
Costco+1
Expect Some Opening-Day Excitement
A brand-new Costco opening is a pretty big event, especially for shoppers who have been waiting for another location closer to home.
The Kuna Chamber of Commerce has scheduled a grand-opening celebration and ribbon-cutting on November 5, with festivities beginning at 7:30 a.m.
Of course, more shoppers also means the possibility of busy parking lots and extra traffic around Lake Hazel Road and Meridian Road.
Local reports describe new traffic signals and road improvements around the development.
If you’re planning to visit on opening morning, giving yourself extra travel time could save some frustration.
Kuna Chamber of Commerce
A Few Things to Know Before You Go
Before grabbing your shopping list and heading out, remember that Costco generally requires a membership for warehouse purchases.
Members can bring children and up to two guests, but guests generally cannot make their own purchases.
Costco warehouses also accept Visa cards, debit cards, cash, checks, EBT, and Costco Shop Cards.
Regular operating hours for the new South Meridian warehouse haven’t been fully confirmed in the available opening information. For the latest details, check Costco’s website or call the warehouse at (208) 576-7183.
The Bottom Line
South Meridian’s new Costco is almost ready to welcome shoppers, and its November 5 opening adds another shopping option for area residents.
With the approximately 200,000-square-foot facility, the already-open gas station, the available services, and the membership promotion, Costco fans have plenty to look forward to.
Whether you’re planning to show up bright and early or wait until the opening crowds settle down, one thing is certain: South Meridian shoppers will have another place to put those oversized Costco carts to good use.
