# O2 Valley

> O2 Valley — Bubble Tea Shop cafes in Cupertino, CA.

## Key facts
- **URL**: https://frankiapp.com/business/o2-valley-39503
- **Type**: Cafes
- **Cuisine**: Bubble Tea Shop
- **Location**: Cupertino, CA
- **Address**: 19058 Stevens Creek Blvd, Cupertino, CA 95014, US
- **Phone**: 14085640542
- **Website**: https://o2-valley.com
- **Coordinates**: 37.322541, -122.005872
- **Claimed**: unclaimed
- **Vibes**: Casual

## About
O2 Valley is a Taiwanese fusion cafe in Cupertino, CA, serving bubble tea alongside a full menu of authentic Taiwanese food. The spot is known for generous portions and great value, with dishes like the Fried Chicken Bento Box drawing loyal fans. Drinks like the Rose Earl Grey Milk Tea and Salted Cheese Green Tea have become customer favorites. The casual atmosphere suits solo study sessions, group hangouts, and quick meals alike. O2 Valley is open every day of the week from 11am to 9pm.

## Hours
- Monday: 11am - 9pm
- Tuesday: 11am - 9pm
- Wednesday: 11am - 9pm
- Thursday: 11am - 9pm
- Friday: 11am - 9pm
- Saturday: 11am - 9pm
- Sunday: 11am - 9pm

## Highlights
- **Standout bubble tea** — Drinks like Rose Earl Grey and Salted Cheese Green Tea keep regulars coming back.
- **Generous bento boxes** — Bento portions are praised for their hearty mix of meat and vegetables.
- **Crispy popcorn chicken** — The basil popcorn chicken is crispy, crunchy, and a crowd favorite.
- **Great value eats** — Diners consistently highlight the authentic Taiwanese food at very fair prices.

## FAQ
### Where is O2 Valley located?
O2 Valley is located at 19058 Stevens Creek Blvd, Cupertino, CA 95014, in the Loree Center.

### What are O2 Valley's hours?
O2 Valley is open every day of the week from 11:00 AM to 9:00 PM, including weekends.

### What kind of food and drinks does O2 Valley serve?
O2 Valley serves Taiwanese fusion cuisine alongside a full bubble tea menu. You can expect bento boxes, popcorn chicken, and specialty drinks like Rose Earl Grey Milk Tea and Salted Cheese Green Tea. The menu is known for authentic flavors and generous portions at great value.

### What are popular items at O2 Valley?
The Fried Chicken Bento Box is a standout, loved for its large portions of meat and vegetables. The Rose Earl Grey Milk Tea and Salted Cheese Green Tea are frequently praised drinks. Popcorn chicken with basil is also a crowd favorite, noted for its crispy, crunchy texture.

### What is Franki?
Franki is a restaurant discovery app that helps you find great places to eat through real video reviews from actual diners. You can browse reviews, photos, and videos of O2 Valley on Franki, and earn cash back when you dine there. Download Franki on the App Store or Google Play to start exploring.

### Is O2 Valley a good spot for studying or working?
Yes, the casual atmosphere at O2 Valley makes it a solid choice for solo work or study sessions. Diners have noted spending hours there grinding through coursework, fueled by the food and drinks on offer.

### Is O2 Valley good for groups?
O2 Valley works well for group hangouts thanks to its relaxed, casual vibe and menu that has something for everyone, from bubble tea to full bento meals.

### How can I contact O2 Valley or browse their menu?
You can reach O2 Valley by phone at (408) 564-0542 or explore their menu and order online at o2-valley.com.

## Reviews
### fiercegolemflies430 — 5.0/5 · Dec 11, 2025
It was very good value for your money! and it was very authentic Taiwanese food 🇹🇼

### brbinges — 5.0/5 · Mar 13, 2023
5/5

📍O2 Valley
Loree Center, 19058 Stevens Creek Blvd, Cupertino, CA 95014

4.6/5 on Google Reviews
4.5/5 on Yelp

### luckypancakeruns921 — 5.0/5 · Dec 11, 2025
so so good.  great value

### onehungryasian — 5.0/5 · Feb 7, 2026
A generous portion of bento! The salted cheese green tea tastes really good!

### eatwithjohn — 5.0/5 · Apr 9, 2023
Popcorn chicken with basil. Crispy and crunchy!

### owaowa408 — 5.0/5 · Mar 17, 2026
Came here after a long ahh physiology exam...just to grind 4hrs on calculus homework 💀 High-key this Fried Chicken Bento Box (R2) revived me, and I always loved their large portions for meat & veggies. Also, their Rose Earl Grey Milk Tea (Q2) slaps.

10/10 holdin' onto a dream, just keep swimming 🪿🥹