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Clinton, MD

Clinton, MD ignition interlock: 5 certified installers

5 in town, 25 more within reach of Clinton

Verified · next review

5 certified centers in Clinton, run by 5 providers. Addresses below — call ahead, most centers fit devices by appointment.

Centers here
5
Providers
5
Monthly · national guide
$70
filed with Maryland
Where to go

Certified installation centers in Clinton

Sorted by how far they are from the center of Clinton. Where two providers work out of the same garage, we list the garage once with both names, and we include nearby towns when their center is closer than one of your own.

1
Ford Masters Auto Repair
7925 Old Branch Ave, Clinton, MD 20735 · 2 miles from the center of Clinton
Intoxalock
2
Dreams to Reality Customs LLC
7591 Commerce Lane, Clinton, MD 20735 · 2 miles from the center of Clinton
IntoxalockLifeSaferLow Cost InterlockRoadGuard InterlockSmart Start
3
RICKS MOTOR WORKS LLC
6905 Old Alexandria Ferry RD, Clinton, MD 20735 · 2 miles from the center of Clinton
Low Cost InterlockRoadGuard InterlockSmart Start
4
Gh Automotive
7543 Old Alexandria Ferry Rd, Clinton, MD 20735 · 2 miles from the center of Clinton
LifeSafer
5
Geo Auto Repair
8032 Old Alexandria Ferry RD, Clinton, MD 20735 · 3 miles from the center of Clinton
Low Cost InterlockSmart Start
6
Mz Auto Repair outside Clinton
9500 Allentown Rd, Fort Washington, MD 20744 · 3 miles from the center of Clinton
LifeSaferLow Cost Interlock
7
Tag and Title Boutique outside Clinton
3273 Brinkley Rd, Temple Hills, MD 20748 · 5 miles from the center of Clinton
Smart Start
8
Melwood Auto Service outside Clinton
6909 Dower House Rd, Upper Marlboro, MD 20772 · 5 miles from the center of Clinton
Intoxalock
9
Interlock Installer 17 outside Clinton
11710 Livingston Rd, Fort Washington, MD 20744 · 5 miles from the center of Clinton
Intoxalock
10
Interlock Installer 18 outside Clinton
9325 Livingston Rd, Fort Washington, MD 20744 · 5 miles from the center of Clinton
Intoxalock
11
Exclusive Concepts outside Clinton
600 Cady Dr, Fort Washington, MD 20744 · 5 miles from the center of Clinton
IntoxalockLow Cost InterlockRoadGuard InterlockSmart Start
12
Quality Lab outside Clinton
9642 Marlboro Pike, Upper Marlboro, MD 20772 · 6 miles from the center of Clinton
Smart Start
13
Big Boys Toys Of Ny outside Clinton
6210 Oxon Hill Road, Oxon Hill, MD 20745 · 6 miles from the center of Clinton
LifeSafer
14
Directlink Auto Llc outside Clinton
14323 Indian Head Highway Unit A, Accokeek, MD 20601 · 6 miles from the center of Clinton
LifeSafer
15
Silver Hill Auto Repair & Sale outside Clinton
4017 Silver Hill Rd, Hillcrest Hgts, MD 20746 · 7 miles from the center of Clinton
Intoxalock
16
Tricked Out Services outside Clinton
7954 Cryden Way, District Heights, MD 20747 · 7 miles from the center of Clinton
LifeSaferSmart Start
17
Tricked Out Auto – Mobile outside Clinton
7954 Cryden Way, Forestville, MD 20743 · 7 miles from the center of Clinton
LifeSaferSmart Start
18
Ignition Interlock – Waldorf outside Clinton
2220 Crain Hwy, Waldorf, MD 20601 · 7 miles from the center of Clinton
Guardian InterlockLifeSafer
19
Ignition Interlock – Waldorf outside Clinton
10195 Berry Rd, Waldorf, MD 20603 · 8 miles from the center of Clinton
Guardian InterlockLifeSafer
20
Pro-Tech Performance Automotive outside Clinton
2778 Old Washington Rd, Waldorf, MD 20601 · 8 miles from the center of Clinton
Intoxalock
21
Personal Touch Car Audio & Alarms outside Clinton
6429 Crain Hwy, Upper Marlboro, MD 20772 · 9 miles from the center of Clinton
IntoxalockLifeSafer
22
Interlock Installer 6 outside Clinton
11705 Pika Dr, Waldorf, MD 20602 · 9 miles from the center of Clinton
IntoxalockLow Cost InterlockSmart Start
23
Guardian Interlock outside Clinton
11710 Pika Dr, Waldorf, MD 20602 · 9 miles from the center of Clinton
Guardian Interlock
24
Carranza Auto Service outside Clinton
28 Industrial Park Dr, Waldorf, MD 20602 · 9 miles from the center of Clinton
IntoxalockSmart Start
25
Freestate Auto and Truck Service Inc. outside Clinton
200 Ritchie Rd, Capitol Heights, MD 20743 · 10 miles from the center of Clinton
Intoxalock
26
Auto Xpressions Customs outside Clinton
416 Hampton Park Blvd, Capitol Heights, MD 20743 · 10 miles from the center of Clinton
LifeSaferLow Cost InterlockSmart Start
27
Auto Xpressions Customs outside Clinton
416 Hampton Park Blvd, Capital Heights, MD 20743 · 10 miles from the center of Clinton
LifeSaferLow Cost InterlockSmart Start
28
Custom Performance Center - Auto Repair and Towing outside Clinton
4310 Crain Hwy, White Plains, MD 20695 · 11 miles from the center of Clinton
Low Cost InterlockSmart Start
29
Custom Performance Center outside Clinton
4310 Crain Hwy, White Plains, MD 20695 · 11 miles from the center of Clinton
Low Cost InterlockSmart Start
30
Redline Customz LLC outside Clinton
4518 Printers Ct, White Plains, MD 20695 · 11 miles from the center of Clinton
Intoxalock

Compiled from providers’ own public location directories and deduplicated to unique physical places (how we build this index). Listing is not an endorsement, and no center pays to appear.

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Cost

What it costs in Clinton

Interlock pricing is set at state level, so what applies in Clinton applies across Maryland. These figures come from the price schedule filed with the state.

ChargeAmountWhat it covers
Installation$70–$150range across approved providers; many discount the initial install and account set-up
Monthly$70–$100monitoring, with calibration every 30 days
RemovalNot publishednot published separately by the MVA

State guidance figure · Ignition Interlock Program Report — Maryland MVA · checked 2026-08-23

The fees nobody quotes you over the phone

These are charged on top of the three above, and they are where a cheap-looking Maryland quote turns expensive.

FeeAmount
Program enrollment fee$47 (waivable on medical or food assistance)
  • Providers must fit a device within 10 days of a request and run a 24-hour emergency line.
  • Providers must offer 50% off rental rates to drivers on assistance.

What Maryland requires

Maryland runs one of the oldest interlock programs in the country, and it is built as an alternative to losing your license rather than an addition to it. You get a "J" restriction and report to your provider every 30 days; they send the MVA a report covering high readings, missed or failed retests, tampering and how often the car was used.

  • First offense: Set on referral by the MVA, a court or an administrative law judge; a repeat offender within five years faces a year of suspension or a year in the program, then a further restricted year
  • Lockout threshold: 0.025% — the MVA states the car will not start above that reading; missed service visits, tampering and bypass attempts also count as violations
  • Program run by: Maryland Motor Vehicle Administration

Full Maryland rules, providers and all 129 cities →

Prince George's County · 2020–2022

Why Maryland orders these devices

An interlock order is not a judgment about you personally — it is what the state does with every case of this kind, and the reason sits in the crash record.

Fatal crashes involving a drinking driver
105
of 341 fatal crashes in Prince George's County
Share of fatal crashes
31%
Maryland overall: 30%
People killed in those crashes
116
Prince George's County, 2020–2022

Source: NHTSA Fatality Analysis Reporting System, 2020–2022. The count covers fatal crashes where police recorded that a driver had been drinking, which is narrower than the federal 0.08 BAC measure and therefore understates the real figure. Prince George's County runs above the Maryland average, which is part of why the interlock requirement here is enforced the way it is. What the device changes is measurable too: a car fitted with one cannot be started over the limit, which is why the order attaches to driving privileges rather than to the sentence.

Nearby

Other cities in Maryland

If nothing in Clinton works for you, a center one town over often has an earlier appointment — the price does not change.

Questions

Interlock questions in Clinton

Where can I get an ignition interlock device installed in Clinton, MD?

We index 5 certified installation points in Clinton, run by Intoxalock, LifeSafer, Low Cost Interlock and others. Addresses are listed above. Book with the provider your paperwork names, not the nearest one — a device approved in one state is not automatically approved in the next, and switching brands mid-term means a second installation fee.

How much does it cost to have an ignition interlock device installed in Maryland?

Maryland publishes its own figures rather than leaving it all to vendors: $70 to $150 to fit the device and $70 to $100 a month while it stays on the car. Removal is billed by the provider at the end of the term.

Can I drink one beer and still start the car in Maryland?

Almost certainly not. 0.025% — the MVA states the car will not start above that reading; missed service visits, tampering and bypass attempts also count as violations That is far below any drunk driving limit, which is the point: the device is not testing whether you are impaired, it is testing whether you drank. One drink shortly before a test is enough on most programs, and the fail is recorded whether or not you try again.

What does an ignition interlock device do?

An ignition interlock is a breath-alcohol tester wired into your car ignition. You blow into it before starting the engine; if your breath alcohol is above the state threshold, the engine will not start.

While you are driving, the device asks for rolling retests at random intervals. Every sample, skipped test, and lockout is recorded and sent to the agency monitoring your case.

All Maryland cities →Why Maryland requires it →What it costs in MarylandDUI lawyers in MarylandIf the device recorded a violation →