The details on Shamrock Traffic Inc
- WA L&I registration
- SHAMRTI811CN
- Registered as
- SHAMROCK TRAFFIC INC
- Registration checked
- September 14, 2026
- Registered since
- 2019
- Expires
- February 2027
- Contractor bond
- $30,000 · Liberty Mutual Ins Co
- Liability insurance
- $2,000,000 · Arch Insurance Co
- Insurance through
- October 2026
- Primary trade
- General Contractor
- L&I specialty
- GENERAL
- Registered principal
- Maiers, Pamp Gary · since 2019
- Registered principal
- Maiers, Pamp Matthew · since 2019
- Service area
- Spokane
Something here wrong or out of date? The business can claim this listing and correct it.
Questions worth asking Shamrock Traffic Inc
Is Shamrock Traffic Inc. licensed in Washington?
Yes — Shamrock Traffic Inc. holds Washington State (L&I) contractor registration SHAMRTI811CN, expiring February 2027. We checked it against the state record on September 14, 2026; the same lookup takes you about a minute if you want to see it yourself. L&I also lists a $30,000 contractor bond (Liberty Mutual Ins Co) and $2,000,000 of liability insurance with Arch Insurance Co through October 2026. Ask them to send the bond and insurance certificates over before the first day on site.
What areas does Shamrock Traffic Inc. serve?
Spokane is what they cover. A crew close to you is the one that comes back for a warranty call, so it is worth asking how far out they really travel.
Why is Shamrock Traffic Inc. listed here?
Licensed, and working in Spokane. That is the bar for a page on this site, and Shamrock Traffic Inc. clears it. The registration gets checked against the state's record and the date sits on this page, so you can judge how current it is.