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New Yorkers 1st Choice
Best of Diamond Bar

Japanese food

Finding Japanese food that respects the craft is non-negotiable when you are craving a specific standard of quality.

Based on 579 Opinions
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Updated May 2026
01
Ginkgo Katsu image 1
Ginkgo Katsu image 2
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Tonkatsu restaurant

Simple interior with cozy atmosphere and medium-level background music supports easy conversation. Large portions of crispy, tender katsu stand out, including unique cheese katsu options. Outdoor patio offers seating alternative when inside feels warm due to lack of air conditioning.

Food offers homemade quality with generous portions. The Pork Katsu Bento Box includes takoyaki, california roll, pickled radish, house-made sauces, and a fish-shaped taiyaki, delivering a varied and satisfying meal.

Cheese katsu stands out as a unique offering alongside classic chicken and pork katsu. Bento boxes deliver great variety and good value, featuring soft, crispy chicken katsu and generous portions with multiple sides.

People are saying

"I found the food here to be super good and never disappointing."

"I thought the chicken katsu was delicious and so tender."

"The Japanese food here, especially the katsu, is so crispy and delicious."

Good to know

1

Parking is limited, but there are designated spots for electric vehicles.

2

The restaurant has a large takeout business, making it popular for quick meals.

3

All food is served in to-go boxes, even for dine-in customers.

02
Hungry Bulldog House image 1
Korean restaurant

Small dining area offers a cozy, casual atmosphere with a family-friendly vibe. Menu features authentic Korean dishes like kimchi fried rice and spicy tteokbokki, known for bold flavors and generous portions. Prices are reasonable, reflecting quality and portion size.

Food features delicious hot dogs and kimchi fried rice with consistently great Korean flavors. The menu offers a variety of very good dishes served with friendly counter service.

Big portions of crispy pork katsu stand out, often layered for extra flavor. The curry katsu and katsu sandwich come with fresh, tasty sides like kimchi fried rice and fries.

People are saying

"The Korean dogs here are crunchy, cheesy, and delicious."

"I thought the curry katsu was so bomb."

"The Japanese food, especially the curry katsu, is so bomb."

Good to know

1

The menu is displayed outside, allowing you to check options before entering.

2

Prices are reasonable for the portion sizes offered.

3

Expect generous portions, especially with the pork katsu dish.

03
TOKYO RAMEN & Sushi image 1
Japanese restaurant

Japanese restaurant offers a cozy interior with authentic decorations and a sushi bar. The atmosphere is lively and welcoming, with comfortable seating that suits conversation. A robot server delivers food, adding a unique touch to the dining experience.

Food here stands out for its excellent quality and great taste. The menu offers consistently amazing dishes that pair well with attentive service.

Ramen stands out with its authentic tonkotsu broth and rich, flavorful taste. Sushi features fresh sashimi combos and delicious bento boxes with thick cuts.

People are saying

"The ramen broth here is so flavorful and tasty."

"The Japanese food here is delicious and flavorful."

"The food here is delicious and very filling."

Good to know

1

Prices for ramen are around $15-16 before tax.

2

The restaurant offers a dine-in promotion with BOGO 1/2 off.

3

Parking is ample but can be tight in some spots.

04
Mr. Dragon Noodle House image 1

Small noodle shop offers a bright, modern interior with a cozy, vibrant atmosphere. It attracts diners seeking authentic Taiwanese beef noodle soup and generous dumplings. Staff are friendly, and prices stay reasonable throughout the day.

Food here is fresh and delicious, closely matching authentic Taiwanese flavors. Dishes come out hot and consistently well-prepared, even during busy times.

Beef dishes stand out with pepper beef and Black Pepper Fried Udon offering rich flavors. The udon noodles come tender and delicious, complementing the beef well.

People are saying

"I considered this my go-to for authentic Taiwanese beef noodle soup."

"The Taiwanese food here is fresh, delicious, and served hot."

"The Japanese food, especially the beef udon, was phenomenal."

Good to know

1

The restaurant is closed at 9pm.

2

Credit cards are accepted, making payment convenient.

3

Free parking is available nearby for easy access.

05
Kyala Sushi & Japanese Cuisine image 1

Small establishment with authentic Japanese cuisine and a fabulous sushi bar creates a relaxed, home-like atmosphere. Frequented by those seeking fresh, high-quality sushi and rare ingredients, it feels like a genuine slice of Japan. Busy weekends require reservations due to its popularity.

Food here is authentic Japanese cuisine with a comprehensive menu of traditional dishes. Sushi is fresh and beautifully prepared, offering a genuine taste of Japan.

Small and focused on authentic Japanese cuisine, it offers a comprehensive menu with fresh sashimi, light tempura, and a sushi bar featuring an omakase course full of surprises. Fish is imported globally, and sushi presentation is extremely high quality.

People are saying

"The Japanese food here is so fresh and beautifully prepared."

"It's like dining in Japan with truly authentic sushi and sashimi."

"The sushi and sashimi here feel like authentic Japanese cuisine."

Good to know

1

Reservations are recommended on weekends due to high demand.

2

The restaurant can have a long wait, especially during peak hours.

3

Omakase is occasionally offered for special holidays.

06
Fusion 2 Any 1 Sushi & Roll image 1

Huge interior features a nicely decorated frog and an old phone booth outside. Atmosphere feels family-friendly and lively with fun 80s music and many families with children. Large tables allow easy plate movement, creating a comfortable dining experience.

Food arrives quickly and stays fresh with excellent flavor. Staff check in often, keeping service smooth and the dining experience enjoyable.

Fresh and delicious sushi and sashimi stand out here, with sashimi offering an amazing texture. The menu also includes tasty ramen, sake, and beer, plus good mixed tempura and miso soup.

People are saying

"The sushi and sashimi here are so fresh and delicious."

"The food here is delicious and very fresh."

"The food here is delicious and visually beautiful."

Good to know

1

Free ice cream is offered during birthday celebrations.

2

Parking is available in a ground-floor lot, with the restaurant on the second level.

3

Prices for menu items have increased recently.

07
Solo Hot Pot image 1
Soup restaurant

One-person hot pot setup offers customizable broth flavors with privacy screens between tables. The space feels cozy and inviting, decorated with modern, clean decor and soft lighting. Atmosphere stays relaxed and quiet, making it suitable for a calm meal experience.

Freshness stands out with a wide variety of ingredients in each pot. The miso tofu pot offers a rich and flavorful broth as a solid vegetarian choice. Meals come with tea and rice, and prices match the generous portions.

Hot pot soups come in organic miso, Sichuan, and original dashi flavors with customizable spice levels. Side sauces include ponzu, sesame with a peanut twist, and house spicy chili oil.

People are saying

"The hot pot here is amazing with delicious broth options."

"The food here is delicious with so many great options."

"I loved building my own Japanese Food hot pot with so many choices."

Good to know

1

The base price for a hot pot starts at $13.99, with additional charges for broth flavors.

2

Expect to pay extra for essential items like udon noodles and meats.

3

Customization options allow you to select ingredients and spice levels.

08
Jimmy's poke and sushi burrito 2 image 1

Small space with dim lighting and unfinished plywood decor creates a quiet, subdued atmosphere. Fresh ingredients and generous portions define the food experience, especially with large salmon pieces and flavorful sauces. Limited seating and topping choices shape a straightforward, no-frills dining vibe.

Food here is consistently delicious with great portions for the price. The dining area stays very clean, and the menu offers good options even for those not usually into poke.

Sushi burritos feature fresh ingredients and come with house-recommended sauces. Poke bowls offer a delightful mix of flavors with crisp vegetables and seafood, all served with amazing service.

People are saying

"The staff here is so nice and patient with all the Japanese Food ingredients."

"The salmon portions here are so generous, I always get extra."

"I found the food to be delicious."

Good to know

1

Parking is available in front and on the side of the building.

2

Expect to pay around $13.59 for a small bowl with two proteins.

3

The dining area is kept very clean, enhancing the overall experience.

09
Paper Pot Shabu Shabu image 1
Sukiyaki and Shabu Shabu restaurant

Spacious eating area sets it apart from typical shabu shabu spots. Atmosphere remains consistent with minor changes over time. Offers extra charge for certain soup bases and a good selection of food, with goma sauce and pork as notable highlights.

Food shows consistent great quality and good taste with a varied selection to choose from.

Spacious eating area stands out compared to other shabu shabu spots. The pork is a recommended choice. The shabu shabu style is now more regular than before.

People are saying

"I found the food delicious and of great quality."

"I remembered the Japanese food and service from before."

Good to know

1

The restaurant charges extra for certain soup bases.

10
Encore Teppan image 1
Japanese steakhouse

Big Teppan grill area anchors the space with private rooms for larger groups. Atmosphere varies from quiet and relaxed to loud and smoky, offering a mix of vibes. Sushi bar and regular tables complement the interactive chef performances at the grill.

Food features excellent quality and delicious flavors with dishes like filet, lobster, and shrimp standing out. Service complements the food well, creating a consistently great dining experience.

Sushi here stays fresh and delicious with a notable salmon sashimi that even comes with a scale. The vegetable tempura adds a nice touch alongside a fantastic sashimi tray.

People are saying

"The food here is amazing, especially the seafood."

"I found Encore Teppan to be a nice hidden gem with great food."

"The sushi here is fresh and delicious."

Good to know

1

Reservations are recommended for large parties to ensure seating.

2

Digital menus are used, but some may not be in English.

3

Downloading the app provides access to daily takeout specials.

11
H Mart Diamond Bar image 1
Korean grocery store

Huge space with well-organized aisles and a vibrant authentic atmosphere reflects Korean market culture. Indoor food court and bakery offer quick meals with seating available. Carts are large and noisy, and the store feels cold and calm inside.

Offers a wide selection of Korean food ingredients and authentic dishes. Features a mini food court with several vendors and maintains high-quality food stalls including a clean fish section.

Freshly made sushi and sashimi are available alongside a wide selection of Korean snacks and ramen. Ready-to-eat options include bento, kimchi, and grilled mackerel, plus unique items like spam sushi prepared in the style from Guam.

People are saying

"This grocery store has an amazing selection of Asian and Korean products."

"I found a huge variety of Asian food, especially Korean."

"I loved the fresh fish for sashimi here."

Good to know

1

H Mart Diamond Bar offers a wide selection of Korean food and beverages.

2

The produce section is known for its quality and variety.

3

Expect a great selection of kimchi and other fermented goods.

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Diamond Bar, California

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