Koya Sushi

Chirashi Bowl from Koya Sushi, a Japanese Restaurant in Fontana

About This Incredible Japanese Restaurant

Welcome to Koya Sushi – a traditional Japanese restaurant located at 9810 Sierra Ave #E, Fontana, CA 92335.
Rooted in authenticity and inspired by innovation, we are dedicated to delivering the true taste of Japan with every dish.
Our specialty? Handcrafted sushi rolls and premium sashimi made daily with the freshest ingredients and time-honored techniques.
We invite you to visit Koya Sushi and experience the art of Japanese cuisine in a warm, welcoming setting.

Golden Tiger Roll from Koya Sushi, a Japanese Restaurant in Fontana

Salmon Sushi from Koya Sushi, a Japanese Restaurant in Fontana

Salmon Teriyaki Bento Shveg from Koya Sushi, a Japanese Restaurant in Fontana

Reviews from Google

⭐⭐⭐⭐⭐
Hands down the best sushi spot in Fontana! Everything is super fresh, especially the seared salmon roll—melt-in-your-mouth good. The staff is always friendly and attentive. Koya feels like a hidden gem!

⭐⭐⭐⭐⭐
Koya Sushi has become our family’s weekend go-to. The bento boxes are packed and flavorful, and the kids love the udon noodles. Clean, cozy atmosphere and really fair prices. Highly recommend!

⭐⭐⭐⭐⭐
Amazing food, fast service, and super friendly staff. I stopped by on my lunch break and was impressed by how fresh everything tasted. Definitely one of the best spots in the area. I will definitely return again.

Phone

909-371-0450

Hours

Mon - Fri: 11:00 AM - 9:30 PM
Sat: 12:00 PM - 9:30 PM
Sun: 12:00 PM - 9:00 PM

Address

9810 Sierra Ave #E
Fontana, CA 92335