The details on Imperial Piping & Contrng LLC
- WA L&I registration
- IMPERPC784KC
- Registration checked
- September 14, 2026
- Registered since
- 2022
- Expires
- June 2028
- Contractor bond
- $6,000 · Lexon Ins Co
- Liability insurance
- $1,000,000 · Ohio Security Ins Co
- Insurance through
- May 2027
- Primary trade
- Plumbing
- L&I specialty
- JOURNEY LEVEL
- Registered principal
- COWIN, CHARLES TOBY · since 2022
- Service area
- Elk
Something here wrong or out of date? The business can claim this listing and correct it.
Questions worth asking Imperial Piping & Contrng LLC
Is Imperial Piping & Contrng LLC licensed in Washington?
The number you want is IMPERPC784KC — Imperial Piping & Contrng LLC's Washington State L&I contractor registration, expiring June 2028. Last checked September 14, 2026. Washington's contractor lookup is free and open if you want to confirm it today. On file alongside it: a $6,000 contractor bond (Lexon Ins Co) and $1,000,000 of liability insurance with Ohio Security Ins Co through May 2027. Ask them to send the bond and insurance certificates over before the first day on site.
Where does Imperial Piping & Contrng LLC work?
They list Elk. Confirm your address is inside that when you ring — coverage moves around, especially in winter.
Why is Imperial Piping & Contrng LLC listed here?
Imperial Piping & Contrng LLC is licensed and working in the Spokane area — that's the whole bar for a page here. That registration is checked against Washington's record, and the date of the check is on this page for you to weigh.