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What is the Cost of an Ignition Interlock Device?

The costs for installing, calibrating and maintaining the device is the responsibility of the offender. Most companies charge approximately $200 for installation and a monthly fee ranging from $50 to $150. Additional maintenance and calibration fees may be required. Most devices will need to be checked every 60 days. The monthly fee may be subsidized by the state if the offender can prove that they cannot pay for it. After the DUI conviction, the court will provide the offender with a list of state-approved providers.