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Liberty Hill, TX

Liberty Hill, TX ignition interlock: 3 certified installers

3 in town, 27 more within reach of Liberty Hill

Verified · next review

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

Centers here
3
Providers
5
Monthly · national guide
$70
national guide — Texas publishes no figure
Where to go

Certified installation centers in Liberty Hill

Sorted by how far they are from the center of Liberty Hill. 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
City Garage Kustoms
113 Bevers Rd, Liberty Hill, TX 78642 · 2 miles from the center of Liberty Hill
state-certified · cert 6-100224per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Intoxalock
2
Hill Country Vehicle Inspection Pros
123 Holmes Rd Suite 3, Liberty Hill, TX 78642 · 2 miles from the center of Liberty Hill
state-certified · cert 6-100115per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
IntoxalockLifeSaferLow Cost InterlockSmart Start
3
Johnny's Interlock @ Hill Country Vehicle Inspection
123 Holmes Rd #3, Liberty Hill, TX 78642 · 2 miles from the center of Liberty Hill
state-certified · cert 6-100115per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Alcolock USA
4
Mendoza Auto Service outside Liberty Hill
3675 County Road 279, Leander, TX 78641 · 3 miles from the center of Liberty Hill
Intoxalock
5
RoadGuard Interlock (Distinctive Upfitter Designs outside Liberty Hill
2020 N Bell Blvd Bldg 6 Ste GT, Cedar Park, TX 78613 · 10 miles from the center of Liberty Hill
state-certified · cert 6-01231per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
IntoxalockRoadGuard Interlock
6
Distinctive Upfitter Designs outside Liberty Hill
2020 N Bell Blvd B6-G, Cedar Park (williamson Co), TX 78613 · 10 miles from the center of Liberty Hill
state-certified · cert 6-01231per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
LifeSafer
7
ARCPoint Labs of Cedar Park outside Liberty Hill
921 W New Hope Dr, Cedar Park, TX 78613 · 10 miles from the center of Liberty Hill
state-certified · cert 6-01678per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Intoxalock
8
True Auto Sales outside Liberty Hill
450 N Bell Blvd, Cedar Park, TX 78613 · 11 miles from the center of Liberty Hill
state-certified · cert 6-00500per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Intoxalock
9
Smart Start of Austin - Cedar Park outside Liberty Hill
300 Brushy Creek RD Ste 401, Cedar Park, TX 78613 · 12 miles from the center of Liberty Hill
Low Cost InterlockSmart Start
10
Smart Start of Austin outside Liberty Hill
300 Brushy Creek Rd, Cedar Park – Cedar Park, TX 78613 · 12 miles from the center of Liberty Hill
Low Cost InterlockSmart Start
11
Lone Star Bail Services outside Liberty Hill
2508 Williams Dr Suite 204, Georgetown, TX 78628 · 13 miles from the center of Liberty Hill
LifeSafer
12
Kwik Kar Lakeline outside Liberty Hill
1855 S Lakeline Blvd, Cedar Park, TX 78613 · 13 miles from the center of Liberty Hill
state-certified · cert 6-01175per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Intoxalock
13
Performance Playground Engines outside Liberty Hill
1960 S Austin Ave, Georgetown, TX 78626 · 14 miles from the center of Liberty Hill
Intoxalock
14
TXGeorgetown outside Liberty Hill
105 Halmar Cv Ste 100, Georgetown, TX 78628 · 14 miles from the center of Liberty Hill
Low Cost InterlockRoadGuard InterlockSmart Start
15
H & H Auto Repair outside Liberty Hill
2524 N Austin Ave, Georgetown, TX 78626 · 14 miles from the center of Liberty Hill
state-certified · cert 6-00521per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Intoxalock
16
Kahoonas Kustoms outside Liberty Hill
40203 Industrial Park Circle, Georgetown, TX 78626 · 15 miles from the center of Liberty Hill
LifeSafer
17
Kahoonas Kustoms outside Liberty Hill
40134 Industrial Park Cir Ste 103, Georgetown, TX 78626 · 15 miles from the center of Liberty Hill
state-certified · cert 6-100124per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
RoadGuard Interlock
18
Sun Auto Service outside Liberty Hill
16350 Rr 620, Round Rock, TX 78681 · 16 miles from the center of Liberty Hill
state-certified · cert 6-01663per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Intoxalock
19
Black Optix Tint - TX outside Liberty Hill
2005 Lamar Dr, Round Rock, TX 78664 · 16 miles from the center of Liberty Hill
state-certified · cert 6-100250per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Intoxalock
20
UTS Services LLC outside Liberty Hill
3339 E State Highway 29, Burnet, TX 78611 · 17 miles from the center of Liberty Hill
state-certified · cert 6-100032per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Low Cost InterlockSmart Start
21
MOBIL 1 LUBE EXPRESS outside Liberty Hill
12538 Research Blvd Ste A, Austin, TX 78759 · 18 miles from the center of Liberty Hill
Smart Start
22
Sunbuster Window Tinting outside Liberty Hill
11655 Research Blvd, Austin, TX 78759 · 19 miles from the center of Liberty Hill
state-certified · cert 6-00319per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Intoxalock
23
Jr Automotive Repair outside Liberty Hill
15310 Brenda St, Austin, TX 78728 · 20 miles from the center of Liberty Hill
state-certified · cert 6-01323per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
LifeSafer
24
Lake Country Collision outside Liberty Hill
1901 S Water St, Burnet, TX 78611 · 20 miles from the center of Liberty Hill
state-certified · cert 6-01251per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
ADS InterlockIntoxalock
25
Barbee Mufflers outside Liberty Hill
15704 Connie St, Austin, TX 78728 · 20 miles from the center of Liberty Hill
state-certified · cert 6-100119per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
RoadGuard Interlock
26
Tint World Hutto outside Liberty Hill
5905 Us Hwy 79, Hutto, TX 78634 · 21 miles from the center of Liberty Hill
state-certified · cert 6-00829per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Intoxalock
27
Custom Sounds #18 outside Liberty Hill
15301 Ih 35, Pflugerville, TX 78660 · 21 miles from the center of Liberty Hill
Intoxalock
28
Connally Performance outside Liberty Hill
5238 N Us Hwy 281, Marble Falls, TX 78654 · 21 miles from the center of Liberty Hill
Intoxalock
29
Connally Performance outside Liberty Hill
5238 Hwy 281 North, Marble Falls, TX 78654 · 21 miles from the center of Liberty Hill
state-certified · cert 6-00762per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Smart Start
30
Connally Performance outside Liberty Hill
5238 Us Hwy 281 North, Marble Falls, TX 78654 · 21 miles from the center of Liberty Hill
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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What Texas requires

Texas attaches the interlock to the license itself: when a court order reaches the Department, your driving privilege is canceled on the 30th day after it notifies you, unless you fit a device and obtain a restricted interlock license. The restriction is also mandatory by statute for anyone granted an occupational license after a DWI conviction, whether or not the order spells it out — a judge can waive it only by finding it unnecessary for public safety.

  • First offense: For the duration of the suspension, unless the court finds good cause to remove the device early
  • Lockout threshold: Set by the device standard the Department certifies; the statute does not fix a number
  • Program run by: Texas Department of Public Safety, on the court order

Full Texas rules, providers and all 324 cities →

Williamson County · 2020–2022

Why Texas 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
30
of 149 fatal crashes in Williamson County
Share of fatal crashes
20%
Texas overall: 26%
People killed in those crashes
33
Williamson 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. Williamson County runs at or below the Texas 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 Texas

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

Questions

Interlock questions in Liberty Hill

Where can I get an ignition interlock device installed in Liberty Hill, TX?

We index 3 certified installation points in Liberty Hill, 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 Texas?

Texas does not publish a price, so the honest answer is the national one: NHTSA puts installation at $70 to $90 and monitoring at about $70 a month, roughly $3 to $4 a day. Quotes in Liberty Hill will sit around that unless the provider is charging for something the state does not require.

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

Almost certainly not. Texas does not print one fixed number in the statute — the level is set by the certifying agency in the device standard, typically between 0.02% and 0.025% BAC, far below the 0.08% driving limit. 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 Texas cities →Why Texas requires it →What it costs in TexasDUI lawyers in TexasIf the device recorded a violation →

The class Texas requires →The insurance filing in TexasHow long it stays on your record →