If you’re searching for a car breathalyzer after a DUI case, we offer the best Ignition Interlock Device in Los Angeles County. We will help you successfully complete your car breathalyzer requirement with support from caring, compassionate specialists who understand everything you need to know about Ignition Interlock in California.
However, you’ll be getting more than just an Ignition Interlock Device. We’ll be with you right from the beginning with the support you need at the service center of your choice. Our Interlock program includes 24/7/365 customer care that makes your experience as easy as possible.
Schedule an installation appointment now at a nearby service center.
Need Ignition Interlock? Get started with our Program Advisors today!
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Schedule an Interlock Device Installation in Whittier
Ride with Smart Start
& get back on the road
- California’s #1 Ignition Interlock Program
- Low-price, with no hidden fees
- Fast installation with same-day available
- 24/7/365 Customer Care – Se hablamos Español
It only takes a moment to get your personalized quote.
Call Now! (800) 831-3299Ignition Interlock in Whittier: We're Always Here for You
From $1.99/Day* - No Long-Term Contracts
Bi-weekly payment options designed to fit your budget.
Ignition interlock Costs3,000+ Locations - Same Day Install
Quick installs by skilled technicians at convenient U.S. locations.
Find a LocationDiscreet, Easy-to-Use Devices
Reliable, hygienic devices with guided tests and easy English-Spanish switching.
Smart Start devices24/7 Knowledgeable State Program Experts
Multilingual support trusted by over 1 million people, ready when you need us.
Talk to a program advisorLocations near Whittier, California
Let’s get started with an installation at one of our Ignition Interlock locations in Los Angeles.
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9607 S San Pedro St
Los Angeles, CA 90003CLOSED – Opens at 8:00am -
13231 Garden Grove Blvd
Garden Grove, CA 92843OPEN NOW – Closes at 7:00pm -
505 N Tustin Ave
Ste 235
Santa Ana, CA 92705CLOSED – Opens at 9:00am -
16129 Hawthorne Blvd
Ste E
Lawndale, CA 90260OPEN NOW – Closes at 7:00pm -
13518 Harbor Blvd
A-2
Garden Grove, CA 92843OPEN NOW – Closes at 7:00pm -
1030 North Main St
Ste A
Orange, CA 92867CLOSED – Opens at 9:00am -
1105 E. VALLEY BLVD
San Gabriel, CA 91776CLOSED – Opens at 10:30am -
11841 Washington Blvd
Whittier, CA 90606 -
4052 STERLING WAY
Baldwin Park, CA 91706CLOSED – Opens at 10:00am -
17999 E Valley Blvd
Ste A
City of Industry, CA 91744CLOSED – Opens at 9:00am -
3217 Bart Conner Drive
Norman, OK 73072CLOSED – Opens at 8:30am -
1933 S. Broadway
Suite 1124
Los Angeles, CA 90007CLOSED – Opens at 8:00am -
13507 Telegraph Rd
Ste A
Whittier, CA 90605CLOSED – Opens at 9:00am -
317 1/2 W Arbor Vitae Street
Inglewood, CA 90301CLOSED – Opens at 10:00am -
607 Glendora Avenue
La Puente, CA 91744OPEN NOW – Closes at 7:00pm -
19042 San Jose Avenue Street L
Rowland Heights, CA 91748CLOSED – Opens at 9:00am -
13505 Telegraph Rd
Whittier, CA 90605CLOSED – Opens at 8:00am -
3809 W 3rd St
Los Angeles, CA 90010OPEN NOW – Closes at 7:00pm -
2960 Saturn Street
Unit H
Brea, CA 92821 -
14020 Lambert Road
Whittier, CA 90605CLOSED – Opens at 10:00am -
1247 S Main Street
Santa Ana, CA 92707CLOSED – Opens at 10:00am -
215 S. RAYMOND AVE
Alhambra, CA 91801CLOSED – Opens at 9:00am -
1385 E. Golden St.
Compton, CA 90221CLOSED – Opens at 9:00am -
1669 N Hacienda BLVD
La Puente, CA 91744CLOSED – Opens at 10:00am -
3521 W Slauson
Los Angeles, CA 90043CLOSED – Opens at 8:00am -
1883 S Cherry Ave
Long Beach, CA 90806CLOSED – Opens at 9:30am -
16511 Whittier Blvd
Whittier, CA 90603CLOSED – Opens at 9:00am
Ignition Interlock in Whittier: We're Always Here for You
The Most Discreet Ignition Interlock Devices in Whittier, California
Smart Start’s car breathalyzers were designed to be court compliant while keeping the user’s needs in mind. We understand the desire for privacy during this difficult time, so our Ignition Interlock Device is small and discreet.
The black exterior allows you to conceal it easily in your motor vehicle, but size doesn’t dictate function! Our Ignition Interlock Device can read your alcohol-free test in less than one second, so you can get back on the road quickly.
The Best Customer Care
When you choose the cheapest Ignition Interlock Device, you’re choosing the 24/7 bilingual support of our Customer Care Center and the expertise of our local technician teams. Call (800) 831-3299 or complete the form at the top of this page to enlist Smart Start as your program partner. We’ll put the wheel back in your hands.
Questions about Ignition Interlock Devices in Whittier, California
How do I get my IID calibrated in Whittier?
Calibration is required regularly to ensure your IID is working properly. In Whittier, we offer convenient service appointments to calibrate your device. The frequency of calibration is defined by California regulations. Generally, every 30-90 days.
Can I get same-day Interlock Device installation in Whittier?
Yes! Smart Start offers same-day installation appointments at many of our Whittier-area locations, subject to availability. We understand the urgency of meeting program deadlines, so we work to accommodate your schedule and get you back on the road as quickly as possible.
Where can I get an Ignition Interlock Device installed in Whittier, California?
Smart Start offers several convenient installation locations throughout Whittier and the surrounding areas. Our local service centers are staffed by experienced technicians who provide fast, professional installations. To find a location near you, visit our location finder or call our 24/7 Customer Care team for assistance.
How much does an Ignition Interlock Device cost in Whittier?
Smart Start offers affordable Ignition Interlock solutions in Whittier. See our Interlock Device cost guide for California to learn more.
How does an Ignition Interlock Device work?
An Ignition Interlock Device (IID) prevents a vehicle from starting if it detects alcohol on the driver’s breath. The driver blows into the device, and if their breath alcohol content is below the programmed limit, the car will start. You’ll also have to complete periodic retests after starting your vehicle to ensure continued compliance. Learn more about how IIDs work with our complete guide.
What are California’s IID laws?
In California, an Ignition Interlock Device (IID) may be required after a DUI. See our complete guide for information on IID laws and more in California.
See What Everyone Says About Our Ignition Interlock
Excellent TrustScore Rating
February 23, 2026
"Very knowledgeable, amazing customer service "
Justin R.
United States
February 23, 2026
"Melinda was incredibly kind, helpful, and informative. She helped make an irritating process just a little bit better with her positive attitude. "
MP.
United States
February 23, 2026
"Very good service "
Alexander Y.
United States




