Interlock Only. No One Takes a Backseat.
We don't do car audio or mechanic work. Every appointment gets our full attention and equal treatment.
Longmont residents make the easy 40-minute drive east on US-34 to our Evans shop for certified ignition interlock installation and service. Authorized Lifesafer & Guardian provider with on-site notary services.
Trusted by thousands of drivers across Northern Colorado
Authorized Provider For
Ignition Interlock Devices is all we do.
We don't do car audio or mechanic work. Every appointment gets our full attention and equal treatment.
Authorized Lifesafer & Guardian provider. Certified calibrations with proper documentation.
Get your Colorado interlock affidavit notarized during your appointment. No extra trips needed.
Absolutely. InterlockGo NOCO specializes exclusively in ignition interlock devices — unlike shops that also do car audio or general mechanic work. The 40-minute drive means you get focused, expert service with proper documentation.
Take US-34 East then I-25 South from Longmont straight to Evans. Our shop at 3610 35th Avenue Unit #7 is about 35 miles — an easy 40-minute drive along 34.
Installation typically takes 2-4 hours. You're welcome to wait on-site or drop off your vehicle and arrange a ride. Many Longmont customers use the drop-off option.
Yes! We have a notary on-site so you can get your Colorado interlock affidavit notarized during your appointment — no extra trips to Longmont needed.
★★★★★"Drove from Longmont — totally worth it. Professional, fast, and the notary on site was a huge time saver. Highly recommend over anyone closer."
Serving Longmont and all of Northern Colorado. Call now or schedule online.
3610 35th Avenue Unit #7, Evans, CO 80620