SR-22 Cost With Ignition Interlock: Total Monthly Out-of-Pocket

A DUI with court-ordered ignition interlock typically costs $280–$450 per month in combined expenses: $180–$320 for SR-22 non-standard auto insurance, $70–$100 for interlock device lease and monitoring, and $15–$25 for the SR-22 filing itself amortized monthly. Your baseline liability insurance before the DUI might have been $85 per month. Now you're carrying three separate line items that stack on top of each other. The interlock lease is fixed by your state's approved vendor list — most states certify 3-5 vendors who all charge within $10 of each other. The SR-22 filing fee is a one-time state charge, typically $25–$50, paid when your insurer submits the certificate. The insurance rate increase is the variable cost. Post-DUI rates rise 70–130% depending on your state, age, prior record, and which carriers still write you. Most DUI drivers stay in this cost structure for 12–36 months depending on state interlock program duration and SR-22 filing period. The interlock comes off first in most states. The SR-22 requirement typically runs longer — three years in most jurisdictions, measured from conviction date or reinstatement date depending on state law.

Your insurance rate after a DUI isn't just higher — you're moved into a different underwriting tier. Standard carriers either non-renew your policy outright or route you to a non-standard subsidiary that prices risk differently. The rate increase comes from the DUI conviction itself, not the interlock device. The interlock is a compliance tool. The conviction is the underwriting event. Post-DUI insurance premiums typically run $180–$320 per month for state minimum liability coverage, compared to $70–$110 for the same driver with a clean record. Full coverage with comprehensive and collision can push monthly premiums to $400–$600 depending on vehicle value and state. Carriers writing high-risk drivers in your state include Progressive, The General, Direct Auto, and state-assigned risk pools where voluntary market carriers decline coverage. Rates stay elevated for 3–5 years after the DUI conviction drops off your driving record for insurance pricing purposes. Most states allow carriers to surcharge a DUI for three years. Some extend that window to five. The SR-22 filing period and the rate surcharge period are separate timelines — the filing ends when your state says it ends, but your rates won't drop to clean-record levels until the conviction ages out of the carrier's lookback window.

Ignition interlock devices are leased, not purchased. Monthly lease fees run $70–$100 depending on your state's certified vendor and the monitoring package required by your court order. That fee covers the device installation, monthly data reporting to your state monitoring authority, and standard calibration visits every 30–60 days. Most states require bimonthly calibration at a certified service center. The monthly lease fee includes 1-2 calibrations. Additional calibration visits, missed appointments, or lockout service calls add $20–$50 per incident. Vendors charge separately for installation ($100–$150 upfront) and removal ($50–$75 when your interlock period ends). If you move states mid-program, most vendors charge a second installation fee to transfer the device. Some states offer reduced interlock fees for drivers below federal poverty guidelines. Eligibility is verified through the court or DMV during your interlock order process. Subsidized rates drop monthly costs to $35–$50 but require annual income recertification in most programs.

The SR-22 filing fee is a one-time charge of $25–$50 paid when your insurance carrier submits the certificate to your state DMV. This is a state processing fee, not an insurance premium increase. Your carrier files the SR-22 electronically. You never handle the form yourself in most states. Some carriers pass the filing fee to you as a separate line item on your first post-DUI premium invoice. Others build it into your first monthly payment. The fee does not recur. You pay it once per filing period unless your coverage lapses and your carrier must refile. If you switch carriers during your SR-22 requirement period, the new carrier files a new SR-22 and you pay the state fee again. Staying with one carrier for the full filing period avoids duplicate fees. Most high-risk drivers switch carriers 12–18 months after their DUI once non-standard insurers begin competing for their business — but that timing creates a second $25–$50 filing charge.

Interlock installation periods and SR-22 filing periods run on separate timelines set by different authorities. Your court orders the interlock. Your state DMV or a separate administrative hearing sets the SR-22 duration. In most states, the interlock requirement ends first. Typical interlock durations: 6 months for a first-offense DUI with no aggravating factors, 12 months for a first offense with high BAC or refusal, 24–36 months for second or subsequent offenses. Your court order specifies the exact term. Early removal requires a petition to the court — it is not automatic even if you have zero violations during the program. SR-22 filing periods: 3 years in most states, measured from the date of conviction or the date your license is reinstated depending on state law. Some states (California, Florida) run the SR-22 clock from reinstatement, which adds suspension time to the total. Others (Ohio, Texas) start the clock at conviction. The filing period does not shorten if you maintain a clean record. It ends only when the statute says it ends. For a driver with 12 months of interlock and 3 years of SR-22, your combined monthly cost of $350 drops to $250 once the interlock is removed. Your insurance rate stays elevated until the DUI conviction falls outside your carrier's surcharge window, typically 3–5 years from conviction.

Not every carrier writing SR-22 policies will insure a driver with an active ignition interlock requirement. Some non-standard carriers treat interlock as an additional underwriting exclusion. Others price it as a neutral factor — you're already rated for the DUI, and the interlock is a court-ordered compliance step that reduces their risk of a second DUI claim. Carriers actively writing SR-22 for interlock-required drivers: Progressive (via Progressive Specialty or Progressive Direct depending on state), The General, Direct Auto, Acceptance Insurance, and National General. State Farm and GEICO non-renew most DUI policies and do not write new business for drivers with interlock devices in most states. Allstate routes high-risk drivers to Encompass or Ivantage in states where those entities are licensed. If voluntary market carriers decline coverage, your state's assigned risk pool is the coverage option of last resort. Assigned risk pricing runs 20–40% higher than voluntary non-standard market rates, but coverage is guaranteed as long as you meet state minimum liability limits and pay the premium. Assigned risk is not permanent — you can shop out once your interlock period ends and your violation ages 12–18 months.

An SR-22 lapse during your filing period resets your compliance clock to zero in most states and triggers an immediate license suspension. Your insurance carrier notifies your state DMV electronically within 24 hours of a missed payment or policy cancellation. The DMV suspends your license the same day in most jurisdictions. If you're under an active interlock order when your SR-22 lapses, your license suspension runs concurrently with your interlock requirement — but the interlock clock does not pause. You're still required to complete the full interlock term ordered by the court even if your license is suspended for an SR-22 lapse. Most states require you to maintain the interlock on your vehicle and complete all calibration appointments during a suspension. Reinstating after an SR-22 lapse requires paying a reinstatement fee ($100–$250 depending on state), refiling the SR-22 with a new carrier or your existing carrier, and restarting the SR-22 filing period from day zero. A 90-day lapse in month 30 of a 36-month requirement means you now owe 36 more months, not 6.