The overall cost of an Ignition Interlock Device is a combination of installation fees, monthly service fees, and removal fees.  Exact pricing is state-specific.  To find out the exact ignition interlock price in your state, call (800) 831-3299.  A Smart Start customer care advocate will help you determine the exact amount for your area of residence, but know that we always strive to give you the best value and the lowest cost in your total ignition interlock package.