Smart Start Ignition Interlock

River City Sounds
1425 S Federal Ave
Mason City, IA 50401

#1 Ignition Interlock from $1.99/day*. Same-day installation available

Book your install now

Hours of Operation:

Day	1st Hour Block	2nd Hour Block
Sun	Closed
Mon	Closed
Tue	9:00am - 5:00pm
Wed	9:00am - 5:00pm
Thu	9:00am - 5:00pm
Fri	9:00am - 5:00pm
Sat	Closed

Services at this Location:

Installations
Calibrations

Book an Installation

With the thousands of locations across the nation, 24/7 customer support, no hidden fees and the most reliable device on the market, Smart Start Ignition Interlock devices are hands-down the best way to get you back on the road fast.

Get a quick and easy IID installation with Smart Start! Get started today!

¡Obtenga una instalación rápida y fácil de IID con Smart Start! ¡Empieza hoy mismo!

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By providing your information and clicking “Book Your Install Now”, I authorize 1A Smart Start LLC and it’s franchisees’ to contact me at the phone number and/or email address above via phone, text, and/or email using multiple and periodic autodialed and prerecorded calls and texts for marketing purposes. Not a condition for purchase. Message and data rates may apply. To opt-out of texts, replay “STOP,” and to opt-out of emails click the email unsubscribe link.

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By providing my information and clicking “Book Your Install Now,” I authorize [Insert Legal Name of Franchisee, distributor, or affiliate] to contact me at the phone number above via phone and/or text using multiple and periodic autodialed and prerecorded calls and texts for marketing purposes. Not a condition for purchase. Message and data rates may apply. To opt-out of texts, reply “STOP”.

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Fast-Track Your Installation

Want to speed up the installation appointment process?
We can get you a quote faster if you fill out the information below.

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Or Call (641) 450-3560 Now!

¡O llame ahora al (641) 450-3560!

Why Choose Smart Start Ignition Interlock?

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.

FIND A LOCATION

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.

TALK TO A PROGRAM ADVISOR

#1 Ignition Interlock Device Provider at River City Sounds in Mason City

Need an Ignition Interlock in Mason City? Get back on the road with Smart Start, Iowa’s ultimate Ignition Interlock Device provider. We make your Ignition Interlock program simple, affordable and reliable with 24/7/365 customer service and easy, quick tests. You’ll receive hands-on training with our friendly, licensed technicians until you are comfortable testing with your Ignition Interlock.

We look forward to serving you! Smart Start Mason City, IA is located at River City Sounds off 1425 S Federal Ave.

Call in today at (641) 450-3560 or fill out our online form to schedule your installation appointment. Be sure to ask about any current state specials or discounts!

Nearby Locations

Black Hawk Customs

1657 Falls Ave
Waterloo, IA 50701

CLOSED – Opens at 9:00am Tu

Services at this Location:

Installations, Calibrations

(833) 404-2988 More Details

Shelter Insurance

1728 Central Avenue
Fort Dodge, IA 50501

CLOSED – Opens at 8:30am Tu

Services at this Location:

(515) 217-3071 More Details

Jeff’s Auto Repair

907 Commerce Dr
Decorah, IA 52101

Services at this Location:

(563) 277-3145 More Details

See What Everyone Says About Our Ignition Interlock

Excellent TrustScore Rating

June 16, 2025

"Easy to talk to very friendly also helped me with money so yes she did great"

Holly B.

United States

June 15, 2025

"Good costumer service, and a good deal for me to get started again!!"

Robert C. Riddle.

United States

June 15, 2025

"Good and honest people"

Sandra F.

United States

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Find a location near you!

Smart Start Ignition Interlock

Hours of Operation:

Services at this Location:

Book an Installation

Fast-Track Your Installation

Want to speed up the installation appointment process?
We can get you a quote faster if you fill out the information below.

Or Call (641) 450-3560 Now!

¡O llame ahora al (641) 450-3560!

From $1.99/Day* - No Long-Term Contracts

3,000+ Locations - Same Day Install

Discreet, Easy-to-Use Devices

24/7 Knowledgeable State Program Experts

#1 Ignition Interlock Device Provider at River City Sounds in Mason City

Nearby Locations

Black Hawk Customs

Services at this Location:

Shelter Insurance

Services at this Location:

Jeff’s Auto Repair

Services at this Location:

Get Started

Locations

Support

Partners

Contact Us

Find a location near you!

Smart Start Ignition Interlock

Hours of Operation:

Services at this Location:

Book an Installation

Fast-Track Your Installation

Want to speed up the installation appointment process?We can get you a quote faster if you fill out the information below.

Or Call (641) 450-3560 Now!

¡O llame ahora al (641) 450-3560!

Why Choose Smart Start Ignition Interlock?

From $1.99/Day* - No Long-Term Contracts

3,000+ Locations - Same Day Install

Discreet, Easy-to-Use Devices

24/7 Knowledgeable State Program Experts

#1 Ignition Interlock Device Provider at River City Sounds in Mason City

Nearby Locations

Black Hawk Customs

Services at this Location:

Shelter Insurance

Services at this Location:

Jeff’s Auto Repair

Services at this Location:

See What Everyone Says About Our Ignition Interlock

Get Started

Locations

Support

Partners

Contact Us

Want to speed up the installation appointment process?
We can get you a quote faster if you fill out the information below.