InterlockDeviceNearMeEstimate my cost
Havre De Grace, MD

Havre De Grace, MD ignition interlock: 1 certified installer

1 in town, 29 more within reach of Havre De Grace

Verified · next review

1 certified center in Havre De Grace, run by 1 provider. Addresses below — call ahead, most centers fit devices by appointment.

Centers here
1
Providers
1
Monthly · national guide
$70
filed with Maryland
Where to go

Certified installation centers in Havre De Grace

Sorted by how far they are from the center of Havre De Grace. 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
Wilhelm Automotive Inc.
315 South Juniati Street, Havre De Grace, MD 21078 · under 1 mile from the center of Havre De Grace
LifeSafer
2
Lux Auto Styling LLC outside Havre De Grace
346 N Philadelphia Blvd, Aberdeen, MD 21001 · 3 miles from the center of Havre De Grace
Low Cost InterlockSmart Start
3
Aberdeen Auto Care outside Havre De Grace
141 S Philadelphia Blvd, Aberdeen, MD 21001 · 4 miles from the center of Havre De Grace
Intoxalock
4
MotorXcel outside Havre De Grace
735 W Bel Air Ave, Aberdeen, MD 21001 · 4 miles from the center of Havre De Grace
Intoxalock
5
Thompson's Towing And Automotive Repair Center outside Havre De Grace
609 S Philadelphia Blvd, Aberdeen, MD 21001 · 5 miles from the center of Havre De Grace
Low Cost InterlockSmart Start
6
Auto & Truck Unlimited outside Havre De Grace
3360 Level RD, Churchville, MD 21028 · 6 miles from the center of Havre De Grace
Low Cost InterlockSmart Start
7
Next Generation Mechanic outside Havre De Grace
4004 Pulaski Hwy, Abingdon, MD 21009 · 10 miles from the center of Havre De Grace
LifeSafer
8
The Garage NE LLC outside Havre De Grace
1920 W Pulaski Hwy, Elkton, MD 21921 · 11 miles from the center of Havre De Grace
Intoxalock
9
Ignition Interlock – Elkton outside Havre De Grace
1663 W Pulaski Hwy, Elkton, MD 21921 · 11 miles from the center of Havre De Grace
Guardian InterlockLifeSafer
10
RoadGuard Interlock - Innovative Mobile Solutions outside Havre De Grace
1301 Enterprise Court Unit C, Bel Air, MD 21014 · 12 miles from the center of Havre De Grace
Guardian InterlockIntoxalockLifeSaferLow Cost InterlockRoadGuard InterlockSmart Start
11
Hook It Up Performance outside Havre De Grace
2105 Emmorton Park RD Suite 102, Edgewood, MD 21040 · 12 miles from the center of Havre De Grace
Low Cost InterlockSmart Start
12
Vehicle Service Plus outside Havre De Grace
100 Baltimore Pike, Bel Air, MD 21014 · 13 miles from the center of Havre De Grace
LifeSafer
13
A-1 Interlock Solutions outside Havre De Grace
710 W Pulaski Hwy, Elkton, MD 21921 · 14 miles from the center of Havre De Grace
RoadGuard Interlock
14
Absolute Audio LTD outside Havre De Grace
1319 Baltimore Pike, Bel Air, MD 21014 · 14 miles from the center of Havre De Grace
IntoxalockLifeSaferLow Cost Interlock
15
American Auto outside Havre De Grace
519 Pulaski Highway Suite C, Joppa, MD 21085 · 16 miles from the center of Havre De Grace
LifeSafer
16
Mobile Auto Service outside Havre De Grace
1598 Main St, Whiteford, MD 21160 · 17 miles from the center of Havre De Grace
LifeSafer
17
G and M Automotive outside Havre De Grace
11825 Belair Rd, Kingsville, MD 21087 · 18 miles from the center of Havre De Grace
Intoxalock
18
Rells Auto Repair outside Havre De Grace
10829 Worton Rd, Worton, MD 21678 · 19 miles from the center of Havre De Grace
Intoxalock
19
Platinum Auto and Truck Center, LLC outside Havre De Grace
11021 Pulaski Hwy, White Marsh, MD 21162 · 20 miles from the center of Havre De Grace
Intoxalock
20
Golden Ring Car and Truck Repair outside Havre De Grace
9728 Pulaski Hwy, Middle River, MD 21220 · 22 miles from the center of Havre De Grace
Intoxalock
21
Ignition Interlock – Baltimore Honeygo outside Havre De Grace
7900 Honeygo Blvd, Baltimore, MD 21236 · 23 miles from the center of Havre De Grace
LifeSafer
22
Waddell Customs outside Havre De Grace
2010 Eastern Blvd, Middle River, MD 21220 · 23 miles from the center of Havre De Grace
IntoxalockRoadGuard Interlock
23
Sound Solutions Inc outside Havre De Grace
10015 Harford Road, Parkville, MD 21234 · 23 miles from the center of Havre De Grace
ADS InterlockIntoxalockRoadGuard Interlock
24
Jacksonville Sunoco outside Havre De Grace
14226 Jarrettsville Pike, Phoenix, MD 21131 · 24 miles from the center of Havre De Grace
IntoxalockLifeSafer
25
Fells Point Auto Repair outside Havre De Grace
1500 Eastern Ave, Baltimore, MD 21231 · 24 miles from the center of Havre De Grace
IntoxalockLow Cost InterlockSmart Start
26
Edge Auto Repair outside Havre De Grace
149 Back River Neck Rd, Essex, MD 21221 · 24 miles from the center of Havre De Grace
Low Cost Interlock
27
Community Tag and Title Services outside Havre De Grace
8766 Philadelphia Road, Rosedale, MD 21237 · 24 miles from the center of Havre De Grace
Smart Start
28
Ignition Interlock – Chestertown outside Havre De Grace
6407 Church Hill Road, Chestertown, MD 21620 · 25 miles from the center of Havre De Grace
LifeSaferRoadGuard Interlock
29
Maryland Premier Tag and Title outside Havre De Grace
7718 Belair Rd 100, Baltimore, MD 21236 · 25 miles from the center of Havre De Grace
Smart Start
30
Caldwell Tire & Auto Service Tire Pros outside Havre De Grace
6323 Church Hill RD, Chestertown, MD 21620 · 25 miles from the center of Havre De Grace
Low Cost InterlockRoadGuard InterlockSmart Start

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.

Or let them come to you

Not sure which center to call?

Send your details once and certified installers covering Havre De Grace will get in touch with availability and a price for your term. It costs nothing, and you are not committing to anything by asking.

We pass your details only to providers that are certified in Maryland. We never sell your information on, and you can tell them to stop at any time.

Get quotes from centers in Havre De Grace

Tell us where you are and we will pass your details to certified installers near you. No account, no obligation.

Cost

What it costs in Havre De Grace

Interlock pricing is set at state level, so what applies in Havre De Grace 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 →

Harford 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
15
of 52 fatal crashes in Harford County
Share of fatal crashes
29%
Maryland overall: 30%
People killed in those crashes
15
Harford 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. Harford County runs at or below the Maryland average — the requirement is set state-wide regardless. 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 Havre De Grace works for you, a center one town over often has an earlier appointment — the price does not change.

Questions

Interlock questions in Havre De Grace

Where can I get an ignition interlock device installed in Havre De Grace, MD?

We index 1 certified installation point in Havre De Grace, run by LifeSafer. 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 →