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Silver Spring, MD

Silver Spring, MD ignition interlock: 4 certified installers

4 in town, 26 more within reach of Silver Spring

Verified · next review

4 certified centers in Silver Spring, run by 6 providers. Addresses below — call ahead, most centers fit devices by appointment.

Centers here
4
Providers
6
Monthly · national guide
$70
filed with Maryland
Where to go

Certified installation centers in Silver Spring

Sorted by how far they are from the center of Silver Spring. 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
Ignition Interlock – Silver Springs
8661 Colesville Rd, Silver Spring, MD 20910 · under 1 mile from the center of Silver Spring
LifeSafer
2
RoadGuard Interlock - Kash's Custom Exhaust Center
2739 Garfield Ave. Suite B, Silver Spring, MD 20910 · 2 miles from the center of Silver Spring
IntoxalockLifeSaferLow Cost InterlockRoadGuard InterlockSmart Start
3
Safe-n-sound Audio outside Silver Spring
6820 Riggs Road, Hyattsville, MD 20783 · 3 miles from the center of Silver Spring
LifeSafer
4
Ignition Interlock – Silver Spring 2
11249 New Hampshire Ave, Silver Spring, MD 20904 · 3 miles from the center of Silver Spring
LifeSafer
5
Interlock Installer 5 outside Silver Spring
2401 University Blvd West, Wheaton, MD 20902 · 3 miles from the center of Silver Spring
IntoxalockLifeSaferLow Cost InterlockRoadGuard InterlockSmart Start
6
Guardian Interlock outside Silver Spring
10315 Kensington Pkwy, Kensington, MD 20895 · 3 miles from the center of Silver Spring
Guardian Interlock
7
Solano Auto Repair outside Silver Spring
10527 Summit Ave, Kensington, MD 20895 · 4 miles from the center of Silver Spring
Intoxalock
8
B&a Auto Repair outside Silver Spring
4108 Howard Ave, Kensington, MD 20895 · 4 miles from the center of Silver Spring
LifeSafer
9
Custom Pro Car Audio outside Silver Spring
2434 Chillum RD, Hyattsville, MD 20782 · 5 miles from the center of Silver Spring
Low Cost InterlockSmart Start
10
CarToys - College Park outside Silver Spring
9600 Baltimore Avenue Suite A, College Park, MD 20740 · 5 miles from the center of Silver Spring
ADS InterlockIntoxalockLifeSaferRoadGuard InterlockSmart Start
11
CarToys College Park outside Silver Spring
9600 Baltimore Ave A, College Park, MD 20740 · 5 miles from the center of Silver Spring
Low Cost Interlock
12
Pugh's Garage outside Silver Spring
5003 College Ave, College Park, MD 20740 · 5 miles from the center of Silver Spring
Intoxalock
13
Ampm Automotive outside Silver Spring
11800 Coakley Cir, Rockville, MD 20852 · 5 miles from the center of Silver Spring
LifeSafer
14
Ignition Interlock – Bethesda outside Silver Spring
10241 Old Georgetown Rd, Bethesda, MD 20814 · 6 miles from the center of Silver Spring
LifeSafer
15
Dicky Smalls Auto outside Silver Spring
10111 Bacon Dr, Beltsville, MD 20705 · 6 miles from the center of Silver Spring
Intoxalock
16
Capitol City Lights and Stripes outside Silver Spring
10850 Hanna ST Ste I, Beltsville, MD 20705 · 6 miles from the center of Silver Spring
Smart Start
17
Ultimate Auto Group outside Silver Spring
5711 Wicomico Avenue, Rockville, MD 20852 · 6 miles from the center of Silver Spring
LifeSafer
18
Meann Fleet outside Silver Spring
11339 Old Baltimore Pike, Beltsville, MD 20705 · 7 miles from the center of Silver Spring
LifeSafer
19
Aguileras Auto Mobile Service Llc outside Silver Spring
3001 52Nd Ave, Hyattsville, MD 20781 · 7 miles from the center of Silver Spring
IntoxalockLifeSafer
20
Ignition Interlock – Rockvillle Congressional outside Silver Spring
154 Congressional Lane, Rockville, MD 20852 · 7 miles from the center of Silver Spring
LifeSafer
21
Interlock Installer 7 outside Silver Spring
1400B Rockville Pike, Rockville, MD 20852 · 7 miles from the center of Silver Spring
Intoxalock
22
Obsession Motorsports outside Silver Spring
1400 Rockville Pike, Rockville, MD 20852 · 7 miles from the center of Silver Spring
Smart Start
23
Obsession Motorsports outside Silver Spring
1400 B Rockville Pike, Rockville, MD 20852 · 7 miles from the center of Silver Spring
Low Cost Interlock
24
SYNMED CARE MEDICAL outside Silver Spring
6492 Landover Way Ste D5, Cheverly, MD 20785 · 8 miles from the center of Silver Spring
Smart Start
25
Norbeck Exxon outside Silver Spring
5500 Norbeck Rd, Rockville, MD 20853 · 8 miles from the center of Silver Spring
Intoxalock
26
F & D Auto Repair outside Silver Spring
3135 Pennsy DR, Landover, MD 20785 · 9 miles from the center of Silver Spring
Low Cost InterlockSmart Start
27
Ignition Interlock – Rockville outside Silver Spring
1057 Taft Street Suite 108, Rockville, MD 20850 · 9 miles from the center of Silver Spring
Guardian InterlockIntoxalockLifeSafer
28
Safe Interlock Mobile Service LLC outside Silver Spring
416 N Stonestreet Ave, Rockville, MD 20850 · 9 miles from the center of Silver Spring
Intoxalock
29
Safe Interlock Mobile Service-(mobile Only) outside Silver Spring
416 N Stonestreet Ave #10, Rockville, MD 20850 · 9 miles from the center of Silver Spring
LifeSafer
30
Safe Interlock Mobile Service – (mobile Only) outside Silver Spring
416 N. Stone Street Ave, #10, Rockville, MD 20850 · 9 miles from the center of Silver Spring
LifeSafer

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 Silver Spring

Interlock pricing is set at state level, so what applies in Silver Spring 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 →

Montgomery 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
35
of 130 fatal crashes in Montgomery County
Share of fatal crashes
27%
Maryland overall: 30%
People killed in those crashes
40
Montgomery 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. Montgomery 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 Silver Spring works for you, a center one town over often has an earlier appointment — the price does not change.

Questions

Interlock questions in Silver Spring

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

We index 4 certified installation points in Silver Spring, 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 →