Matsunoya Sayamadai Opens Today at 10:00
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The opening-notice line has dropped off the listing for Matsunoya Sayamadai (co-located with Matsuya). As of 9:48 on September 30, 2026, the store name carried in the official store information reads “Matsunoya Sayamadai (co-located with Matsuya),” with the “*Opening September 30 at 10:00” line that had been appended until just before now gone. The listed scheduled opening dropped at the same time, and the entry switched to a regular listing that carries no scheduled opening date.
The location is listed as 1-1-8 Sayamadai, Sayama-shi, Saitama, with business hours listed as “Open 24 hours.”
The listing switched before the opening time
| Before | After | |
|---|---|---|
| Listed store name | Matsunoya Sayamadai (co-located with Matsuya) *Opening September 30 at 10:00 | Matsunoya Sayamadai (co-located with Matsuya) |
| Listed scheduled opening | September 30, 2026, 10:00 | (Not listed) |
The listed opening time was September 30 at 10:00, but the note came off before that time arrived. A note on the store name is attached to stores still waiting to open, so the rewrite itself marks the shift from “a store about to open” to “a store standing in the list of operating stores.”
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Sayamadai is the only Matsunoya in Sayama
Sayamadai is the sole Matsunoya in Sayama, with no other store in the same city. Saitama has 56 listings, the third-largest total nationwide behind Tokyo (106 stores) and Osaka (71 stores), but the count per city is uneven. Koshigaya and Kawagoe lead with four stores each, followed by Soka, Iruma, Warabi, Asaka and Minuma Ward of Saitama City with three. Matsunoya is present in 31 cities and towns in the prefecture, and those holding just one store are the largest group — Sayamadai among them.
Sayamadai is listed as co-located with Matsuya. Saitama leans more heavily toward co-location than the country as a whole.
| Co-location type | Saitama | Nationwide |
|---|---|---|
| Co-located with Matsuya | 44 stores | 474 stores |
| Co-located with Mycurry Shokudo | 7 stores | 86 stores |
| Standalone Store | 5 stores | 122 stores |
| Total listed | 56 stores | 682 stores |
| Co-located share | about 91% | about 82% |
Six stores are set to open in October
Six stores carried a listed scheduled opening as of September 30.
| Scheduled Opening | Store | Prefecture |
|---|---|---|
| October 1, 2026, 10:00 | Matsunoya Matsusaka Kamada-cho (co-located with Matsuya) | Mie |
| October 1, 2026, 10:00 | Matsunoya Shimonoseki Chofu (co-located with Matsuya) | Yamaguchi |
| October 2, 2026, 10:00 | Matsunoya Okinawa Hiyagon (co-located with Matsuya) | Okinawa |
| October 10, 2026, 10:00 | Matsunoya Uji Niban (co-located with Matsuya) | Kyoto |
| October 15, 2026, 10:00 | Matsunoya Yatsushiro (co-located with Matsuya) | Kumamoto |
| October 28, 2026, 10:00 | Matsunoya Maebashi Akagi Mall (co-located with Matsuya) | Gunma |
All six are co-located with Matsuya, and the prefectures are scattered — Mie, Yamaguchi, Okinawa, Kyoto, Kumamoto and Gunma. Sayamadai’s scheduled opening stood in that same list, as “September 30, 10:00.”
A word from our Matsunoya novice
56 stores in the prefecture, and Sayama's share of that is this one. Whether that counts as many or few, no telling.
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