Important Notice:
Due to COVID-19, C-STOP staff are working remotely. Some administrative functions may be delayed.
All other business activity will proceed as normal.
To reach us, please call 425-822-8300
Our business hours are: Monday - Friday, 8am - 4pm PST
Contact Us
Kirkland Office:
CSTOP, LLC
8916 122nd Avenue NE
Kirkland, WA 98033
425-822-8300 - p
425-828-4514 - f
Let us know what you are interesed in?
Signal Person & Rigging Course
Flagger Course
CPR/First Aid & AED Refresher Course
Trench/Excavation & Confined Space Course
Online Courses