Release rule

How to Book MAZ: Reservation Release Day, Phone and Rules (2026)

MAZ（マス） · Kioicho, Tokyo · Innovative · Lunch & dinner

How to book this house

Opens on the 1st of each month at 12:00 JST for the month after next, on OMAKASE and TableCheck; waiting list on the official site. 20 seats, Thu–Sun, guests 12+; cancellation 30/50/100% from 7/3/1 days.

Next release
November 1, 2026 · 12:00 JST → January 2027

Dates through December 2026 are already open.

Where bookings are taken
Platform · OMAKASEOMAKASETableCheck
Lunch / dinner
Lunch & dinner
Phone line
03-6272-8513 (12:00–15:00; for parties of 7+ and special requests — bookings online)
If a seat comes back

Cancellations: add the restaurant to your favorites on OMAKASE and it notifies you, first come first served. omakase-japan.zendesk.com

We still send you release-date alerts: for a set release date, the day before, on the morning of release day (08:00 JST) and about 30 minutes before when the time is known; for houses that open a little every day, a weekly summary.

Allergies or dietary needs? Make a Japanese dining card →

Next release days

  • 1Nov12:00 JST
    Sunday, November 1, 2026
    For dates in January 2027
  • 1Dec12:00 JST
    Tuesday, December 1, 2026
    For dates in February 2027
  • 1Jan12:00 JST
    Friday, January 1, 2027
    For dates in March 2027

Last verified September 23, 2026 · checked by our desk October 4, 2026

Source for the booking rule: the house's official site (maztokyo.jp), read September 23, 2026.

All times are Japan Standard Time (UTC+9).

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When does MAZ open its reservation book?

Reservations at MAZ next open on November 1, 2026 at 12:00 JST, for dates in January 2027. Opens on the 1st of each month at 12:00 JST for the month after next, on OMAKASE and TableCheck; waiting list on the official site. 20 seats, Thu–Sun, guests 12+; cancellation 30/50/100% from 7/3/1 days. All times are Japan Standard Time (UTC+9).

How do I book MAZ from abroad?

MAZ takes reservations online through OMAKASE, which you can use from abroad with your own account and a credit card. If you would rather not, our Tokyo desk can request it for you: ¥12,000 per seat, charged only if the table is secured. A free release-date alert emails you the day before, on the morning of release day (08:00 JST) and about 30 minutes before when the opening time is known; houses that open a little every day come in a weekly summary.

What time zone is the release time?

All times are Japan Standard Time (UTC+9). Release days are computed from the house's published rule and re-checked monthly.

More release days in Tokyo

Tokyo: when hard-to-book restaurants open reservations →

← All 1,240 houses in the booking calendar

Rules are verified against official notices and platform listings and re-checked monthly. Houses change their systems without warning; treat the calendar as a planning tool. For restaurants in our collection, our desk confirms the specifics for your dates when you request.