InterlockDeviceNearMeEstimate my cost
Gainesville, TX

Gainesville, TX ignition interlock: 1 certified installer

1 in town, 29 more within reach of Gainesville

Verified · next review

1 certified center in Gainesville, run by 2 providers. Addresses below — call ahead, most centers fit devices by appointment.

Centers here
1
Providers
2
Monthly · national guide
$70
national guide — Texas publishes no figure
Where to go

Certified installation centers in Gainesville

Sorted by how far they are from the center of Gainesville. 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
Abel's Touch
127 Throckmorton ST, Gainesville, TX 76240 · under 1 mile from the center of Gainesville
Low Cost InterlockSmart Start
2
Krazy Ace Performance outside Gainesville
108 West Walcott St, Pilot Point, TX 76258 · 19 miles from the center of Gainesville
Smart Start
3
JJ Rush Performance outside Gainesville
303 W Walcott ST, Pilot Point, TX 76258 · 20 miles from the center of Gainesville
Low Cost InterlockSmart Start
4
Jj Rush Performance And Auto Repair Llc outside Gainesville
303 West Walcott, Pilot Point, TX 76258 · 20 miles from the center of Gainesville
LifeSafer
5
Franco's Paint and Body Shop LLC outside Gainesville
2271 N Masch Branch Rd, Denton, TX 76207 · 28 miles from the center of Gainesville
Intoxalock
6
Smart Start of Denton outside Gainesville
2401 Worthington DR Ste 133, Denton, TX 76207 · 28 miles from the center of Gainesville
Low Cost InterlockSmart Start
7
Nik's Audio outside Gainesville
2712A Plainview Rd, Sherman, TX 75092 · 29 miles from the center of Gainesville
state-certified · cert 1-00180per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Intoxalock
8
Nik's Audio outside Gainesville
2712 Plainview Rd, Sherman, TX 75092 · 29 miles from the center of Gainesville
LifeSafer
9
B & O Towing outside Gainesville
219 N Locust St, Denton, TX 76201 · 29 miles from the center of Gainesville
state-certified · cert 1-01195per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Intoxalock
10
Barebones Auto Repair outside Gainesville
3826 Market St, Denton, TX 76209 · 29 miles from the center of Gainesville
state-certified · cert 1-01303per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
LifeSafer
11
Empire Audio & Tint outside Gainesville
1200 Fort Worth Dr, Denton, TX 76205 · 31 miles from the center of Gainesville
LifeSafer
12
Johnny's Interlock @ HOWE Auto Care outside Gainesville
120 N. Collins Fwy, Howe, TX 75459 · 32 miles from the center of Gainesville
Alcolock USA
13
Hi – Tek Car Audio outside Gainesville
1600 Baker Rd, Sherman, TX 75090 · 32 miles from the center of Gainesville
state-certified · cert 1-00275per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
IntoxalockLifeSaferLow Cost InterlockSmart Start
14
Blue Star Truck Accessories outside Gainesville
181 S Mckinley St, Prosper, TX 75078 · 34 miles from the center of Gainesville
state-certified · cert 1-100341per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Intoxalock
15
Kwik Kar Lube & Tune of Denison outside Gainesville
2410 W Morton St, Denison, TX 75020 · 34 miles from the center of Gainesville
Intoxalock
16
Shipman Communications outside Gainesville
1815 W Morton ST, Denison, TX 75020 · 35 miles from the center of Gainesville
state-certified · cert 1-00202per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Low Cost InterlockSmart Start
17
Kwik Kar Lube & Tune outside Gainesville
1015 West Van Alstyne Pkwy, Van Alstyne, TX 75495 · 36 miles from the center of Gainesville
Intoxalock
18
DFW Tintlyfe outside Gainesville
207 King RD #200, Frisco, TX 75036 · 36 miles from the center of Gainesville
state-certified · cert 1-100226per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Smart Start
19
DFW Tintlyfe outside Gainesville
207 King Rd, Frisco, TX 75036 · 36 miles from the center of Gainesville
state-certified · cert 1-100226per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Low Cost Interlock
20
271st Judicial District CSCD outside Gainesville
105 E Walnut, Decatur, TX 76234 · 38 miles from the center of Gainesville
Smart Start
21
Moore and Sons Automotive outside Gainesville
979 Stonecrest Rd, Argyle, TX 76226 · 38 miles from the center of Gainesville
state-certified · cert 1-100303per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Intoxalock
22
Veteran Dent Solutions LLC outside Gainesville
4571 Us 69, Denison, TX 75021 · 38 miles from the center of Gainesville
state-certified · cert 1-100031per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Intoxalock
23
Kwik Kar Panther Creek outside Gainesville
12500 Eldorado Pkwy, Frisco, TX 75035 · 39 miles from the center of Gainesville
state-certified · cert 1-01014per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Low Cost InterlockSmart Start
24
Kwik Kar Lewisville outside Gainesville
1299 Justin Rd, Lewisville, TX 75077 · 40 miles from the center of Gainesville
Intoxalock
25
Powerflo Diesel outside Gainesville
4021 W University Dr, Mckinney, TX 75071 · 40 miles from the center of Gainesville
Intoxalock
26
Now Go Automotive outside Gainesville
2023 Illinois St, Rhome, TX 76078 · 40 miles from the center of Gainesville
state-certified · cert 5-01191per Texas DPS — certified ignition interlock service centers, checked 2026-09-05
Low Cost Interlock
27
VAPOR VERSE outside Gainesville
982 North Garden Ridge Blvd Ste 130, Lewisville, TX 75077 · 41 miles from the center of Gainesville
Smart Start
28
NWP Motors outside Gainesville
11571 Cockleburr RD Bldg B - Ste 2B, Roanoke, TX 76262 · 41 miles from the center of Gainesville
Low Cost InterlockRoadGuard InterlockSmart Start
29
Car Toys McKinney outside Gainesville
1787 N Central Expy, Mckinney, TX 75070 · 42 miles from the center of Gainesville
Intoxalock
30
Kwik Kar of Flower Mound outside Gainesville
1045 Cross Timbers, Flower Mound, TX 75028 · 42 miles from the center of Gainesville
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.

Or let them come to you

Not sure which center to call?

Send your details once and certified installers covering Gainesville 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 Texas. We never sell your information on, and you can tell them to stop at any time.

Get quotes from centers in Gainesville

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

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 →

Cooke 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
8
of 25 fatal crashes in Cooke County
Share of fatal crashes
32%
Texas overall: 26%
People killed in those crashes
8
Cooke 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. Cooke County runs above the Texas 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 Texas

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

Questions

Interlock questions in Gainesville

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

We index 1 certified installation point in Gainesville, run by Low Cost Interlock, Smart Start. 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 Gainesville 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 →