Welcome to NorCal Interlock... Redding California's #1 Interlock IID System Installation Service

  • Easy to Use Systems
  • No False Violations
  • Just Blow, No Humming Required
  • Mobile Service Available
  • Competitive Pricing
  • Servicing All of Northern California

  When you need a Breath Alcohol Ignition Interlock Device, there is no better choice than the ALCOLOCK® provided by Nor Cal Interlock (NCI). Our systems are that of unparalleled performance and reliability. If you wish to get back on the road as quickly as possible with no hassle and a quality installation, Call NCI today!!!

Fact vs.Fiction

The truth about ignition interlocks

Fiction...
This will shut my car off if it thinks I have alcohol on my breath.

Fact...
The ALCOLOCK® is not capable of affecting the operation or the running status of the vehicle. If alcohol is detected the ALCOLOCK® will record and react in accordance with state regulations.

Fiction...
Anything from cigarettes to pizza, and even chewing gum can set it off.

Fact...
The ALCOLOCK® utilizes a technology that is 100% alcohol specific. If alcohol is not present in the sample, the user will be allowed to continue unabated.

Fiction...
ALCOLOCK® interlocks cost thousands of dollars.

Fact...
ALCOLOCK® interlocks are easily affordable with small monthly payments. In fact, ALCOLOCK® interlocks can be leased for dollars a day.

Fiction...
My car will be altered from its factory condition and will never run the same.

Fact...
Our installation is a non-intrusive procedure and is 100% reversible.


For more information please call 530.604.7158 or email us: norcalinterlock@yahoo.com