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14647 Delaware St, Unit 100, Westminster, CO 80023-9187
303-920-4400
Website
Today
11:30 am - 9:00 pm
Open now
See all hours
Hours:
Sun 12:00 pm - 9:00 pm
Mon - Thu 11:30 am - 9:00 pm
Fri - Sat 11:30 am - 10:30 pm
Dining options: Lunch, Dinner, Reservations

TripAdvisor Reviewer Highlights

Read all 45 reviews
Visitor rating
  • 17
    Excellent
  • 16
    Very good
  • 6
    Average
  • 2
    Poor
  • 4
    Terrible
Rating summary
  • Food
    4 of 5 stars
    Service
    4 of 5 stars
  • Value
    4 of 5 stars
    Atmosphere
    4 of 5 stars
"

There are two locations for Happy Sumo, one is in Salt lake City and here in Denver. We have frequent both locations and have never been disappointed. The Sushi is always fresh the servers are attentive Can be a bit pricy but worth it. There seaweed & Cucumber salad is a great appetizer and the... read more

4 of 5 starsReviewed June 19, 2015
Lgonzo19
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45 Reviews from our TripAdvisor Community

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Date | Rating
  • English first
  • Any
English first
Albuquerque, New Mexico
Level Contributor
19 reviews
6 restaurant reviews
common_n_restaurant_reviews_1bd8 9 helpful votes
5 of 5 stars Reviewed July 21, 2015

We were dining with two children. They got full on the appetizers. The plates of the entrees were so full, we adults had to take 1/2 our meals home too. It was a delight to the palate.

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Level Contributor
15 reviews
9 restaurant reviews
common_n_restaurant_reviews_1bd8 5 helpful votes
4 of 5 stars Reviewed June 19, 2015

There are two locations for Happy Sumo, one is in Salt lake City and here in Denver. We have frequent both locations and have never been disappointed. The Sushi is always fresh the servers are attentive Can be a bit pricy but worth it. There seaweed & Cucumber salad is a great appetizer and the rolls are large so plenty... More 

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Erie, Colorado
Level Contributor
18 reviews
13 restaurant reviews
common_n_restaurant_reviews_1bd8 3 helpful votes
5 of 5 stars Reviewed June 12, 2015

I love this place and always overeat when I'm there. Beautiful atmosphere and the food is great. My husband is not a fan of sushi but we can still go there because they offer surf & turf as well. I can get what I want and so can he- best of both worlds. While I love this restaurant I don't... More 

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colorado
Level Contributor
100 reviews
72 restaurant reviews
common_n_restaurant_reviews_1bd8 58 helpful votes
2 of 5 stars Reviewed May 31, 2015

Went on a busy Friday for lunch right after school was out for the summer. Service was slow, inattentive, asked for a to go box and got tiny box kind of thrown my direction, no drink refills just generally did not seem to care. Food was poorly prepared, did not taste very good and was smothered in some sweet sauce.... More 

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Denver, Colorado
Level Contributor
104 reviews
73 restaurant reviews
common_n_restaurant_reviews_1bd8 39 helpful votes
3 of 5 stars Reviewed April 11, 2015

Had dinner here for the 2nd time in about 2 months. Sushi is good, not overly spectacular, but decent. Service was a bit slow, but she was really busy. Drinks were solid as well. My wife enjoys their pear martini. One of the rolls (spider) didn't taste nor smell right and they immediately took it off the bill. Appreciated as... More 

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Denver, Colorado
Level Contributor
34 reviews
20 restaurant reviews
common_n_restaurant_reviews_1bd8 3 helpful votes
5 of 5 stars Reviewed April 7, 2015

We have been to this location many times as well as the one in SLC at the Gateway Mall. We always have had very friendly servers, and never much of a wait. The Vegas roll is our favorite thing to order along with edamame, gyoza & panko crusted chicken dish. They also have a very good email club offering specials... More 

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Boulder, Colorado
Level Contributor
16 reviews
11 restaurant reviews
common_n_restaurant_reviews_1bd8 11 helpful votes
5 of 5 stars Reviewed March 26, 2015

The Happy Sumo makes me... well, HAPPY! Their tuna literally melts in your mouth, the food is always on point and the best thing to do for yourself is to join their VIP. With the VIP (free, by the way) you get special discounts on selected days of the month. Sushi at half price, can't beat that! I have experienced... More 

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Denver
Level Contributor
3 reviews
3 restaurant reviews
common_n_restaurant_reviews_1bd8 1 helpful vote
1 of 5 stars Reviewed March 22, 2015

The service was horrible! I seated and no one came to me for at least 15min. When I was served the waitress was kinda snippy and unpleasant. And the sushi is not good at all. The nigiri rice is dry and flavorless, the fish also totally devoid of flavor, and the rolls were on par with grocery store sushi. I... More 

Was this review helpful? Yes 1
Denver, Colorado
Level Contributor
28 reviews
23 restaurant reviews
common_n_restaurant_reviews_1bd8 12 helpful votes
2 of 5 stars Reviewed March 21, 2015

While the food is good, the service and hostess has always been snobby and uncaring if you are there or not. Try Go Fish on 136th.

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Broomfield, Colorado
Level Contributor
10 reviews
7 restaurant reviews
5 of 5 stars Reviewed March 17, 2015

We're so lucky out here in the hinterlands to have such a fine Japanese restaurant. The tempura and teriyaki is great, and their sushi selection is incredible. All served in a fun and beautiful atmosphere with a great wait staff. Great selection of Japanese beers. Reasonable pricing and varied menu makes a trip here really worth it.

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Additional Information about The Happy Sumo

Address: 14647 Delaware St, Unit 100, Westminster, CO 80023-9187
Phone Number: 303-920-4400
Location: United States  >  Colorado (CO)  >  Westminster
Open Hours:
Sunday 12:00 pm - 9:00 pm
Monday 11:30 am - 9:00 pm
Tuesday 11:30 am - 9:00 pm
Wednesday 11:30 am - 9:00 pm
Thursday 11:30 am - 9:00 pm
Friday 11:30 am - 10:30 pm
Saturday 11:30 am - 10:30 pm
Cuisine: Japanese, Sushi

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Restaurant Details

Location and Contact Information

  • Address: 14647 Delaware St, Unit 100, Westminster, CO 80023-9187
  • Location: United States  >  Colorado (CO)  >  Westminster
  • Phone Number: 303-920-4400

Price and Cuisine

  • Cuisine: Japanese, Sushi
Open Hours
Sunday
12:00 pm - 9:00 pm
Monday
11:30 am - 9:00 pm
Tuesday
11:30 am - 9:00 pm
Wednesday
11:30 am - 9:00 pm
Thursday
11:30 am - 9:00 pm
Friday
11:30 am - 10:30 pm
Saturday
11:30 am - 10:30 pm

Questions & Answers

Questions? Get answers from The Happy Sumo 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?