Is Costco Open On January 1 2024.  — this means costco will be closed to the public on january 1, 2024 but will reopen the following day, tuesday, january 2.  — hot dogs are still $1.50 at costco, but a membership got a little more expensive on sunday.

 — new year’s day is monday, january 1, 2024. All costco warehouses in the u.s.