Ramen 101

20923 Redwood Rd unit b, Castro Valley
(510) 398-8232

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Tonkatsu Medium Spicy Pork and Seafood Ramen

Black Garlic Signature Ramen

Signature Black Garlic Ramen

Build Your Own Ramen Bowl

Tonkotsu Signature Ramen

Prawn Tempura Appetizer

Karaage Curry Rice Bowl

Tonkatsu Chicken Ramen

Kaki Fry Oyster 6 pcs

Grilled Whole Squid

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Recent Reviews

Got ramen to go and when I got home realized for $20 they gave me maybe 8oz of soup. A 2/3 full small half size container. When I get Pho to go I usually get a full tall container of soup plus the ingredients in a separate container. Called and asked and was told this is what owner instructs them to give and she can’t be contacted. Felt ripped off. It’s not like soup stock is expensive and now I have a tiny amount of soup for $20.

Used to eat here all...

November 2025

Tried them for the first time and after I was done eating I passed out in my chair. Ramen was so comforting it put me to sleep. They were also really nice even though I came in close to closing time!

September 2025

They expanded their menu. Great Korean dishes as well as Japanese sushi roll. This place is great quality and probably the best priced compared to neighboring sushi restaurants. Their Korean BBQ plate is better than Mama Cho's that used to be in Castro Valley. This is the only good Korean food restaurant in Castro Valley. The sushi rolls are wonderful as well as their ramen. This place is a must try.

June 2025

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Ramen 101

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Ramen 101