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$$ - $$$
Union Square
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430 Geary St, San Francisco, CA 94102-1223
415 771 1280
11:30 am - 2:00 am
Closed now
All hours
Sun - Sat 11:30 am - 2:00 am
More Info
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266 Reviews from our TripAdvisor Community

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Showing 202: English reviews
Level Contributor
3 reviews
common_n_restaurant_reviews_1bd8 1 helpful vote
5 of 5 bubbles Reviewed 1 week ago

Always a good time when I go here. Such nice and quick service, they treat you like family here. All if their Ramen dishes are really delicious and their BBQ Eel with a Spicy Tuna sushi roll hits the spot just right. This local spot that's been around for 10 years or so makes their noodles from scratch and strive... More 

Thank Steven M
Niceville, Florida
Level Contributor
31 reviews
14 restaurant reviews
common_n_restaurant_reviews_1bd8 4 helpful votes
4 of 5 bubbles Reviewed 1 week ago via mobile

Loved it! We had ramen in miso, fried baby octopus, tuna Poki and a Hawaiian roll. Very fast and efficient service. Downstairs stays open even after the street level drops serving.

Thank Glenn K
Level Contributor
3 reviews
5 of 5 bubbles Reviewed 4 weeks ago via mobile

I was kinda worried because of how small the shop was it we got a table right away. Very good food!!

Thank Ash M
Chicago, Illinois, United States
Level Contributor
12 reviews
10 restaurant reviews
common_n_restaurant_reviews_1bd8 2 helpful votes
5 of 5 bubbles Reviewed September 4, 2016 via mobile

My husband and I went here because our hotel recommended it. We got miso, spicy noodles and Japanese soda. It was all really good! Service was good too.

1 Thank Jocelyn V
Melbourne, Australia
Level Contributor
66 reviews
35 restaurant reviews
common_n_restaurant_reviews_1bd8 18 helpful votes
5 of 5 bubbles Reviewed August 28, 2016 via mobile

After a long day of riding, my partner and I wanted something close to our hotel and found this place online, the reviews weren't great so our expectations weren't that high. Wow! The Katana-ya ramen was excellent, loved the addition of fried chicken and Gyoza in the broth. I'm not a ramen expert, but I eat it quite a bit,... More 

Thank Pitted4lyf
Toronto, Ontario, Canada
Level Contributor
24 reviews
7 restaurant reviews
common_n_restaurant_reviews_1bd8 5 helpful votes
3 of 5 bubbles Reviewed August 28, 2016 via mobile

The ramen at this place is average, with broth being too salty and the pork belly I had too tough. The sushi rolls here were very good though!

1 Thank Herman N
Level Contributor
8 reviews
6 restaurant reviews
5 of 5 bubbles Reviewed August 27, 2016 via mobile

The salt based ramen is well worth it!! $10 for the standard base with pork, seaweed, onions & ramen is the perfect antidote to a long evening at the Giants game. This Asian is happy to find this place despite the loud awful music.

Thank Tasha H
Kingston-upon-Hull, United Kingdom
Level Contributor
20 reviews
8 restaurant reviews
common_n_restaurant_reviews_1bd8 6 helpful votes
1 of 5 bubbles Reviewed August 14, 2016 via mobile

Poor food, bought and charged us for more food than we ordered some dishes did not arrive and charged for, included 18% tip in bill (no problem) but actually tried to charged us 24% total overcharge was 45 dollars.

Thank mid999
Level Contributor
36 reviews
23 restaurant reviews
common_n_restaurant_reviews_1bd8 22 helpful votes
4 of 5 bubbles Reviewed August 4, 2016

My wife and I both got the Katana-Ya Ramen with soy broth and enjoyed it. We did not try anything else, but the restaurant was packed and the service was quick.

Thank Ryan C
Lake Leelanau, Michigan
Level Contributor
71 reviews
53 restaurant reviews
common_n_restaurant_reviews_1bd8 42 helpful votes
3 of 5 bubbles Reviewed August 2, 2016

This is a small hole in the wall Japanese restaurant. The atmosphere is cozy and inviting because of its small size. The sushi was fine, but nothing outstanding. I had two rolls and some nigiri. I also had edamame and gyoza. I can give you a sense of the food quality overall by describing the edamame and the gyoza. Each... More 

Thank Robert A

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Restaurant Details

Rating summary
  • Food
    4 of 5 bubbles
    4 of 5 bubbles
  • Value
    4 of 5 bubbles
    3.5 of 5 bubbles
Average prices
Japanese, Sushi, Asian, Soups
Lunch, Dinner, Late Night
Restaurant features
Takeout, Seating, Waitstaff, Serves Alcohol
Good for
Families with children, Dining on a budget
Open Hours
11:30 am - 2:00 am
11:30 am - 2:00 am
11:30 am - 2:00 am
11:30 am - 2:00 am
11:30 am - 2:00 am
11:30 am - 2:00 am
11:30 am - 2:00 am
Location and Contact Information
  • Address: 430 Geary St, San Francisco, CA 94102-1223
  • Location: United States  >  California (CA)  >  San Francisco>  > Union Square
  • Neighborhood: Union Square
  • Phone Number: 415 771 1280

Questions & Answers

Questions? Get answers from Katana-ya staff and past visitors.
Posting guidelines
Typical questions asked:
  • Do you have gluten-free options?
  • Is there a dress code?
  • Do you allow dogs on the outdoor patio?

Staying in Union Square

Neighborhood Profile
Union Square
Originally home to rallies supporting the Union Army in the Civil War, this grand square has become the city's premier shopping and entertainment district containing the largest number of upscale department stores, chic boutiques, art galleries and theaters in the city. It's a large open area where tourists and locals gather, watch cable cars and crowds go by, enjoy a snack, or plan their day of shopping and sightseeing, If feeling the pulsating energy of the city is on your agenda, Union Square is the place to soak it in.
Explore this neighborhood