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Ignition Interlock
in Aptos, California

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) 831-3299

Ignition Interlock in Aptos: 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 Costs

3,000+ Locations - Same Day Install

Quick installs by skilled technicians at convenient U.S. locations.

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Discreet, Easy-to-Use Devices

Reliable, hygienic devices with guided tests and easy English-Spanish switching.

Smart Start devices

24/7 Knowledgeable State Program Experts

Multilingual support trusted by over 1 million people, ready when you need us.

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Locations near Aptos, California

Let’s get started with an installation in Aptos, California that fits your schedule, at one of the convenient locations below.

Proficient Auto

2825 Mattison Ln.
Unit #A
Santa Cruz, CA 95065

OPEN NOW – Closes at 4:30pm

View Store Information Schedule An Install
(833) 407-3462 Get Directions

Ignition Interlock in Aptos: We're Always Here for You

If you’re searching for a car breathalyzer after a DUI, we offer the best Ignition Interlock Device in Aptos, California. 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 services and support you need. The cheapest Ignition Interlock program in Aptos, California, includes 24/7/365 Customer Care that makes your Ignition Interlock program as easy as possible.

Schedule an installation appointment now at Aptos, California, or at any of our California service centers.

(800) 831-3299

The Most Discreet Ignition Interlock Devices in Aptos, 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.

(800) 831-3299

Questions about Ignition Interlock Devices in Aptos, California

How do I get my IID calibrated in Aptos?

Calibration is required regularly to ensure your IID is working properly. In Aptos, 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 Aptos?

Yes! Smart Start offers same-day installation appointments at many of our Aptos-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 Aptos, California?

Smart Start offers several convenient installation locations throughout Aptos 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 Aptos?

Smart Start offers affordable Ignition Interlock solutions in Aptos. 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

"Patient service, well mannered, helpful, poised, knowledgeable, courteous and respectful "

Eric T.

United States

February 22, 2026

"Tracy was wonderful!"

Madison C.

United States

February 22, 2026

"Gladys was absolutely delightful. While she was professional but she also kindness and warmth. It me feel like more than a number. If your product if half as good as Gladys, I will be a very happy customer. "

Jerry K.

United States