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Ignition interlock in South Dakota

South Dakota's full guide is still being checked against the statute and the state agency. Below is the IIHS rule for South Dakota, the agency that runs the program and the companies it approves, each linked to its source.

Checked Oct 23, 2026Sources
Neither, by the IIHS definition
First offense, to drive during the post-conviction suspension
no
First offense, as a penalty or to get the license back
no
Repeat offense, as a penalty or to get the license back
no
IIHS, October 20261

    8 locations in South Dakota from the companies' own locators. Distances are straight-line; call to confirm the location services your device.

    Each dot is a service location listed by an interlock company. Orange rings mark your search.Company locators, Oct 2026

    Who has to install one in South Dakota

    Program run by: SD Attorney General 24/7 Sobriety Program (selects device); DPS for license

    Law: ARSD 2:06:02:06 (AG selection/min requirements); SDCL ch. 1-11 24/7 program (cite from memory, unverified) · read it

    For the rule that applies to you, read your court order or the letter from the DMV.

    A judge can order an interlock in other cases too. Your court order or DMV letter is what binds you.

    Where each company can install in South Dakota

    You'll go back to the same company's locations for service for the whole order, so check that one is close to where you live and work before you book.

    Locations as each company lists them on its own locator (Intoxalock), pulled Oct 2026. Some shops serve more than one company. Alcohol Detection Systems doesn't publish a locator we could read.

    Interlock companies approved in South Dakota

    Intoxalock

    Listed as “Intoxalock (per AG presentation and vendor claim; likely stale)”
    In South Dakota
    8 service locations listed
    Nationwide
    On 37 of 44 state lists
    12 months, filed fees
    $1,427–$1,552
    App rating
    1.7 from 899 (App Store)
    Fees and device

    From the state's approved list. Use a company on this list, or the install won't count. 12-month figures are lease, install and removal from each company's filed or published fee schedule, not South Dakota prices; see how we add them up.

    Related guides

    InterlockCompare is independent and doesn't make, sell or install interlocks. Not legal advice.

    Sources

    1. South Dakota: first offense, post-conviction suspension: noiihs.org/research-areas/alcohol-and-drugs/alcohol-interlock-laws-by-state