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✔️Lunch ✔️Dinner ✔️Dine in ✔️Take out
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Industrial-cool destination for sushi, donburi rice bowls & modern Japanese fare with a local focus.
Hours
| Friday | 12–8 PM |
| Saturday | 12–8 PM |
| Sunday | 12–8 PM |
| Monday | 12–8 PM |
| Tuesday | 12–8 PM |
| Wednesday | 12–8 PM |
| Thursday | 12–8 PM |
Address and Contact Information
Address: 6750 McKinley St, Sebastopol, CA 95472
Phone: (707) 827-6373
Website: http://www.koshosushi.com/
Menu Photos
Order and Reservations
Reservations: koshosushi.comopentable.com
Photo Gallery
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Reviews
Alexander Rose
We have been here 3 times since moving to Sebastopol and have loved it every time. Great indoor and outdoor seating with one side you could watch your kid play while you eat! Favorite rolls are the Salmon Citrus and Double Down.
… morePeter Bridge
I apologize for what I’m about to say. If you think this is good sushi, then you’ve never had good sushi. This is mediocre stripmall sushi. Mushy tasteless rice, tasteless fish, tasteless mushy nori. Out of my nigiri selection, one piece, the salmon belly, was okay. Funny thing… I was given tasteless wasabi. If anything shouldn’t be tasteless, it’s wasabi. Of course, wasabi loses its flavor overnight so we know how that happened. I asked for fresh wasabi (knowing that they wouldn’t actually have real freshly grated wasabi) and what they brought out tasted like normal prepared wasabi, confirming my guess that what I had previously been given was last night’s wasabi.
Seriously, everything I ate was so tasteless that I was questioning my own taste buds. The beer tasted fine, the edamame tasted fine, the salmon belly was okay, and the mushroom miso was actually pretty good, so I think my taste buds were working.
Desperate to try to find some flavor, I ordered a roll. You know, an American style roll with freshwater eel and a squirt of sweet unagi sauce. More mushy and tasteless rice.
If you like American style rolls you might like this place, and the rolls are huge. Maybe I’ll come back and try their cooked food rather than sushi.
I’m only giving service three stars which may be harsh. As I mentioned I didn’t love the sushi preparation but the “sushi chef” was perfectly pleasant. Although the place was empty when I walked in The waitresses ignored me. Finally one of them said, “can I help you?” Can I help you? Well, let’s see. I just walked into a restaurant so I’m probably not looking for car parts. “Good evening” would be nice.
Ambience .. eh, it’s neither here nor there. It’s a remodeled warehouse with roll up doors. Generic.
… moreSeriously, everything I ate was so tasteless that I was questioning my own taste buds. The beer tasted fine, the edamame tasted fine, the salmon belly was okay, and the mushroom miso was actually pretty good, so I think my taste buds were working.
Desperate to try to find some flavor, I ordered a roll. You know, an American style roll with freshwater eel and a squirt of sweet unagi sauce. More mushy and tasteless rice.
If you like American style rolls you might like this place, and the rolls are huge. Maybe I’ll come back and try their cooked food rather than sushi.
I’m only giving service three stars which may be harsh. As I mentioned I didn’t love the sushi preparation but the “sushi chef” was perfectly pleasant. Although the place was empty when I walked in The waitresses ignored me. Finally one of them said, “can I help you?” Can I help you? Well, let’s see. I just walked into a restaurant so I’m probably not looking for car parts. “Good evening” would be nice.
Ambience .. eh, it’s neither here nor there. It’s a remodeled warehouse with roll up doors. Generic.
Edmund Lee
Sushi was excellent! Would recommend the wild mushroom salad. Sushi was served at room temperature. Service was excellent!
… moreMargaret Cavanaugh
We had a family gathering of 7 adults and 3 girls. The food was delicious and the presentation of the Sushi was unbelievable. Would definitely recommend. Don’t forget to try the desserts.. yummy.
… moreCheryl Costantini
Having lived in Japan for 6 years, and being married to a Japanese person, I feel well qualified to rate this restaurant. I have been there between sever or eight times. I’ve eaten there for lunch. I’ve eaten there for dinner. Each time I go I really want to like the food. I hope that it will improve, but the truth is the food is not good and it hasn’t improved. But more over, you can feel the bad energy in the wait person staff, there’s a vibe that feels as though they undervalued and are working under a very critical unsupportive eye… every once in a while one of their specialty rolls tastes OK.and the eggplant was not bad…I just wish they were better.
… moreAaron Joachim
This is some of the best sushi we have had in Northern California. It was very surprising because we did not expect such good sushi to be here in Sevastopol. The location of the restaurant is a little small so we had a little wait but it’s in an awesome outdoor mixed market and shopping area called the Barlow and we easily killed some time walking and sitting by the park next door. Two or three fun looking bars in the vicinity.
The food was excellently prepared with high quality ingredients. This is not a $150 omakase type of experience, but for its class of family style accessible Japanese places, the food is more than solid, it’s exquisite and at a reasonable price compared to similar places all throughout the Bay Area.
The standout was the 15 spices ribs appetizer. Perfectly prepared, seared outside and tender outside, impressed our international table. The sushi is also made with great fish. This time I didn’t try any special toro but the quality of the fish makes me think there is a secretly overtalented chef in the back taking it one step at a time to deliver what’s needed for a family commumity. This is awesome and not a crazy price at about $40 per person including tip and tax for five people for a fantastic dinner.
Easy parking here lots of free parking at the Barlow. Try to make a reservation ahead of time if you can!
… moreThe food was excellently prepared with high quality ingredients. This is not a $150 omakase type of experience, but for its class of family style accessible Japanese places, the food is more than solid, it’s exquisite and at a reasonable price compared to similar places all throughout the Bay Area.
The standout was the 15 spices ribs appetizer. Perfectly prepared, seared outside and tender outside, impressed our international table. The sushi is also made with great fish. This time I didn’t try any special toro but the quality of the fish makes me think there is a secretly overtalented chef in the back taking it one step at a time to deliver what’s needed for a family commumity. This is awesome and not a crazy price at about $40 per person including tip and tax for five people for a fantastic dinner.
Easy parking here lots of free parking at the Barlow. Try to make a reservation ahead of time if you can!
Jon E
Great service, really good food- glad we tried this place out. We ordered a lot of food for the $50 per person- this place offers the chance to pig out on Sushi and not wear out your wallet.
… moreHeather Hodges
The food was all delicious, made fresh and came out fast. There were a few new spins on a classic item, such as the crab wontons (Rangoon’s) drenched in a sweet chilli sauce & covered with a delicious veggie slaw or the blackened edamame dusted with a Japanese seven spice and drizzled with fresh grilled lime juice. We also tried the salmon citrus roll, the thinly sliced like pieces really kicked up the flavor combo. We finished it off with an order of toro – which was fresh and buttery melt in your mouth fatty tuna.
… moreKnife
A friend recommended Kosho and I am disappointed. I always order chirashi from Japanese restaurants and this chirashi felt like a $40 bowl of fish scraps. Except for the salmon roe.
The rice was not sushi rice, or if it was it must have been very lightly seasoned. In the attached pictures you can see how the fish cuts are falling apart, small and uneven. So much tuna and salmon, barely any of any whitefish. I was looking forward to mackerel sashimi as that isn’t common in Chirashi, but I couldn’t even enjoy it as it was mainly skin with tattered fish on it. Chirashi is a bowl of assorted sashimi, not randomly cut fish.
My family got other dishes, the tofu donburi and a roll, both were fine. The cooked vegetables with the tofu mightve been the tastiest. Maybe just stick to nigiri if you want raw fish here.
Service was overall good. But so disappointed by the fish when it costs more than other restaurants.
… moreThe rice was not sushi rice, or if it was it must have been very lightly seasoned. In the attached pictures you can see how the fish cuts are falling apart, small and uneven. So much tuna and salmon, barely any of any whitefish. I was looking forward to mackerel sashimi as that isn’t common in Chirashi, but I couldn’t even enjoy it as it was mainly skin with tattered fish on it. Chirashi is a bowl of assorted sashimi, not randomly cut fish.
My family got other dishes, the tofu donburi and a roll, both were fine. The cooked vegetables with the tofu mightve been the tastiest. Maybe just stick to nigiri if you want raw fish here.
Service was overall good. But so disappointed by the fish when it costs more than other restaurants.
Lesli L
2nd visit and both times excellent—super fresh sashimi, great speciality roll, and matcha butter cake to die for! Didn’t care too much for the too spicy edamame (by itself) but brought it home and ate it with brown rice—delish. Friendly attentive service. Nice spacious interior and loved the outdoor fire pit patio. Will return!
Update: 1/1/25 Husband (with many decades of sushi dining experience) and I have dined here many times since my last review 2 years ago. Consistently fresh and delicious food, attentive service (tonight by the chef/owner and team). Food came out quickly. Had fantastic eggplant and trumpet mushroom apps, salmon and crab roll and sushi special. Nice quiet vibe despite many people (but not full). New dessert: miso cheesecake with passion flower sauce—we almost licked the plate. Rich and Good to share. We come here the most frequently when we’re wanting sushi.
… moreUpdate: 1/1/25 Husband (with many decades of sushi dining experience) and I have dined here many times since my last review 2 years ago. Consistently fresh and delicious food, attentive service (tonight by the chef/owner and team). Food came out quickly. Had fantastic eggplant and trumpet mushroom apps, salmon and crab roll and sushi special. Nice quiet vibe despite many people (but not full). New dessert: miso cheesecake with passion flower sauce—we almost licked the plate. Rich and Good to share. We come here the most frequently when we’re wanting sushi.