Jamba Juice Company is a global healthy lifestyle brand that inspires and simplifies healthful living through freshly blended whole fruit and vegetable smoothies, bowls, juices, cold-pressed shots, boosts, snacks, and meal replacements. Jamba blends are made with premium ingredients free of artificial flavors and preservatives so guests can feel their best and blend the most into life. Jamba Juice has more than 900 locations worldwide.
Customers reported inconsistent service, with some praising friendly staff while others noted rudeness and slow service.
Product Quality
Mixed reviews on product quality; some enjoyed their drinks while others complained about incorrect orders and poor taste.
Cleanliness
Several customers mentioned cleanliness issues, particularly in the bathrooms and with staff hygiene practices.
Operational Issues
Frequent complaints about the store not being open during posted hours and running out of key ingredients.
Customer Experience
Positive experiences highlighted friendly staff and good customer service, but many expressed frustration with management and operational inefficiencies.
MG
Martin Garcia
Oct 19, 2025
1.0
I’m trying to reach them for a single drink, I have called 10 times on a Sunday during the football games with no answer. Also please not the website charges 3% to order a drink online. So staff doesn’t care about customers and company wants to drain its consumers of their money as fast as possible.
Buy a juicer at home!
AG
Ashu Grewal
Sep 11, 2025
1.0
very bad service
RT
Rachel Thomas
Sep 7, 2025
1.0
They took like 20 minutes to make one medium drink. And the bathrooms smelled disgusting.
JR
Jarret Rice
Jul 21, 2025
2.0
A smoothie with peanut butter should taste a little like peanut butter.
JP
Jose Polanco
Jul 14, 2025
1.0
This place sucks. One worker and she can’t even handle making 2 orders. No wonder there’s no customers.
What are the regular opening hours for Jamba located at 10515 Sierra Avenue, Fontana?
Jamba at 10515 Sierra Avenue, Suite 200 in Fontana is open daily from 7:00 AM to 9:00 PM.
Does the Jamba location on Sierra Avenue offer delivery and in-store pickup services?
Yes, this Jamba location offers both in-store pickup and delivery services for your convenience.
How can I order Jamba products online for this Fontana location?
You can order online through their website at jamba.com or via the Jamba Juice app available on the Apple App Store.
What types of products and menu items does Jamba at Sierra & Slover offer?
Jamba offers freshly blended whole fruit and vegetable smoothies, bowls, juices, cold-pressed shots, boosts, snacks, and meal replacements made with premium ingredients free of artificial flavors and preservatives.
Where is Jamba located within Fontana?
Jamba is located at 10515 Sierra Avenue, Suite 200 in Fontana, CA 92335.
What other food options are available near Jamba at Sierra & Slover?
Nearby you can find Jersey Mike's Subs for sandwiches, Pizza Studio and Round Table Pizza for pizza lovers, Chipotle Mexican Grill for Tex-Mex cuisine, and Starbucks for coffee and light snacks.
Are there any hotels near Jamba for visitors or travelers?
Yes, the Sierra Hotel Group and Hilton Garden Inn Fontana are nearby, providing convenient lodging options for visitors.
If I am visiting Jamba, can I find any automotive services nearby?
Yes, there are automotive-related services nearby including O'Reilly Auto Parts, AutoZone, 3 D of Fontana Car Care Products, and ProWash Xpress Car Wash.
Does Jamba participate in any rewards or gift card programs?
Yes, Jamba offers rewards and gift card programs to enhance your experience.
How can I contact the Jamba store at Sierra & Slover for inquiries?
You can reach the Jamba location by phone at +1 909-357-1190.