Ignition Interlock in Frederick

Choose the most trusted ignition interlock provider in Frederick. Guardian is here to save you time and money.

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Ignition Interlock Locations in Frederick, Maryland

Guardian Interlock

7425 B Grove Rd.
Frederick, MD 21701

(800) 499-0994

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Guardian Interlock

101 Skipjack Road Suite 5
Prince Frederick, MD 20678

(800) 499-0994

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Guardian Interlock

5831 Buckeystown Pike
Zfrederick, MD 21704

(800) 499-0994

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Guardian Interlock

1341 Hughes Ford Rd
Frederick, MD 20701

(800) 499-0994

Open Today – 10am-4pm

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4.5

Average Google Rating

1 million

Successful Device Installs

24/7

Customer Service

Ignition Interlock in Frederick

Why choose Guardian Interlock?

In Frederick, Maryland we have 24/7 customer service. Contact a California expert to answer any of your questions.

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  • Our technicians are helpful and  understanding
  • Our technicians will explain how the device works
  • Our technicians will ensure everything is working properly 
  • Our technicians will explain the next steps
  • You will be provided with a certificate of installation (often required to regain a driver’s license)