Brand Certified
Guardian Interlock
Certified by Guardian Interlock • Mar 01, 2026
Business Details
9530 Sierra Ave Unit 10, Fontana, CA
92335, United States
Certified by Guardian Interlock • Mar 01, 2026
(909) 248-4941
Certified by Guardian Interlock • Mar 01, 2026
https://www.guardianinterlock.com/locations/california/fontana/7511gp/
Certified by Guardian Interlock • Mar 01, 2026
About
Certified by Guardian Interlock • Mar 01, 2026
Safety Equipment SupplierGuardian
Guardian Ignition Interlock is CA’s most affordable ignition interlock device. Guardian’s device is discreet and one of the easiest to use devices on the market. With over 30 years of experience, Guardian is one of the most trusted iid brands. Our location at 9530 Sierra Ave Unit 10 is CA certified with expert technicians for all your interlock installation and calibration needs.
Location
Certified by Guardian Interlock • Mar 01, 2026
Hours
Certified by Guardian Interlock • Mar 01, 2026
Frequently Asked Questions About Guardian Interlock
What products and services does Guardian Interlock offer?
Guardian Interlock offers ignition interlock installation, calibration, and removal services, providing CA’s most affordable and discreet ignition interlock devices backed by over 30 years of experience.
Where is Guardian Interlock located?
Guardian Interlock is located at 9530 Sierra Ave Unit 10, Fontana, CA 92335, USA.
What are the business hours for Guardian Interlock?
Guardian Interlock is open Monday to Saturday with varying hours: Monday, Wednesday 9 AM to 3 PM; Tuesday and Saturday 9 AM to 4 PM; Thursday 9 AM to 12 PM; closed on Fridays and Sundays.
How can I schedule an installation at Guardian Interlock?
You can schedule an installation by visiting their enrollment website at https://enrollment.guardianinterlock.com/entry/GCORPGBPCA.
Does Guardian Interlock provide customer support?
Yes, Guardian Interlock products include 24/7 customer support to assist whenever needed.
What payment methods are accepted at Guardian Interlock?
Guardian Interlock accepts American Express, Discover, MasterCard, and Visa credit cards as payment options.
Are there any automotive repair shops near Guardian Interlock?
Yes, nearby automotive repair shops include E & S Auto Repair, JC Smog Check, Gorilla's Mufflers, Don Cortez Tire Shop, Monroy’s Auto Repair, and Brake Masters, which can be useful for complementary vehicle services.
Are there places near Guardian Interlock where customers can have their vehicles inspected or get smog checks?
Yes, JC Smog Check nearby offers emissions inspection services, providing convenient options for customers needing vehicle inspections along with ignition interlock installation.
What dining options are available near Guardian Interlock for customers?
Customers can visit nearby Mexican and seafood restaurants such as Mariscos Jimenez, Mariscos El Paisa, Viva Villa Taqueria, Taqueria Viva Villa, and Pancho Villa’s Restaurant for dining before or after their appointment.
Is Guardian Interlock easily accessible near other automotive parts and services?
Yes, it is located near various automotive parts and services including AutoZone, American Tire Depot, Just Tires, and Rock Honda, making it convenient for customers managing multiple vehicle needs.
Brand Certified Facts from Guardian Interlock
Guardian Interlock partners directly with Yext to publish this data from the brand's official system of record. Learn more about our data sources
Certified March 01, 2026Yext Knowledge Graph
- Address
- Categories
- Geo coordinates
- Legal business name
- Hours of operation
- Phone number
- Official website