The All-You-Can-Eat A5 Wagyu Brand That Started in Temple City Just Opened in Irvine

The all-you-can-eat A5 wagyu brand that now runs 13 restaurants across six states started in Temple City. Its newest room is open in Irvine.
Mikiya Wagyu Shabu House is at 3745 Alton Parkway in Westpark Plaza, and the proposition is unusual enough to explain up front: unlimited Japanese A5 wagyu at a fixed price per person.
An LA County Brand That Went National
Mikiya began in Temple City and has grown to 13 locations in six states, including the Bay Area, Honolulu, New York, Seattle, Boston and Houston. The Los Angeles County rooms are still there: Temple City at 5728 Rosemead Boulevard, Suite 107, and Cerritos at 11328 South Street.
So Irvine is a drive for most of our readers, but this is not an out-of-town brand arriving in Southern California. It is a San Gabriel Valley restaurant that scaled.
All-You-Can-Eat, But With A5
The format is shabu-shabu. A divided pot is built into the table, the meat is sliced to order rather than pulled pre-cut from a tray, and each seating runs 90 minutes.
Diners pick two broths and alternate between them while cooking. The options include sukiyaki, which runs sweet and savory, spicy miso, and a Japanese tomato base. Thin slices go into the simmering pot round by round and get paired with a dipping sauce.
What separates it from the category is the beef. Mikiya runs Japanese A5 wagyu alongside full-blood M9-plus Australian wagyu, sourced ranch-direct. Unlimited A5 at a fixed price is an unusual proposition, and it is the whole argument of the restaurant.
The Three Tiers
Member pricing first, regular pricing second:
Silver, $48 or $55. Premium Australian wagyu in chuck ribeye, brisket and shoulder cut, two soup bases and one specialty dish.
Gold, $68 or $78. Adds Japanese A5 wagyu, full-blood M9-plus Australian wagyu, a seafood platter, seasonal pearl grouper and all specialty dishes.
Diamond, $88 or $98. Unlimited Japanese A5 wagyu and unlimited specialty dishes, plus oyster, abalone, tiger shrimp, scallop and snow crab.
Children 110 centimeters and under eat free, and children between 110 and 140 centimeters pay half price. The membership that unlocks the lower column, Mikiya Plus, runs $28 a year and extends member pricing to the member and one guest.
The Room
The dining room is doing something, which is not a given in this category. Mirrored ceilings, and artwork that runs from geisha portraits to cyberpunk imagery. It is a deliberate aesthetic rather than the bright functional box an all-you-can-eat format usually gets.
A Format That Has Traveled
Scaling an all-you-can-eat premium beef concept to 13 rooms across six states is harder than it sounds. The economics only work if the kitchen holds its standard at volume, and the category is littered with brands that stopped doing so around the fourth location.
The Irvine dining room has drawn a 4.8 average across more than 240 Google ratings since opening, with diners consistently describing the Diamond set and the A5 rounds rather than complaining about limits or wait times. That is the signal worth watching in this format.
Hot pot has been having a real moment across the county. Osigye is serving deboned whole-chicken hot pot on the third floor of Madang Mall in Koreatown, and the eastern San Gabriel Valley keeps producing rooms worth the drive, as the 626 Night Market crowds demonstrate every summer.
What We Have Our Eye On
We have not eaten at the Irvine room yet. The Diamond set is the one that interests us, because unlimited A5 is the claim that either holds up or does not, and because premium seafood is where an all-you-can-eat kitchen usually starts cutting corners. The 90-minute seating is the other variable: enough time if the kitchen is fast, not nearly enough if it is not.
Visiting
Mikiya Wagyu Shabu House is at 3745 Alton Parkway, Irvine, CA 92606, in Westpark Plaza, with free plaza parking. The phone is (949) 875-8002, and reservations go by phone or through the reservation link on the restaurant's Irvine page.
Hours run 11:30 a.m. to 10:00 p.m. Sunday through Thursday and 11:30 a.m. to 11:00 p.m. Friday and Saturday. The restaurant posts updates on Instagram at @mikiya.official.
Details, pricing, menu tiers and room description in this article come from materials provided by the Mikiya marketing team, dated October 12, 2026 and credited to Ryan Zhu. Locations, hours and open status were independently verified against the company's own listings and public records. Food Journal Magazine has not yet dined at Mikiya Irvine.
For more of what is opening, catch up on LA restaurant news.



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