The details on Downriver Plumbing LLC
- WA L&I registration
- DOWNRPL799NQ
- Registration checked
- September 14, 2026
- Registered since
- 2021
- Expires
- August 2027
- Contractor bond
- $6,000 · Ohio Cas Ins Co
- Liability insurance
- $1,000,000 · Ohio Security Ins Co
- Insurance through
- July 2027
- Primary trade
- Plumbing
- L&I specialty
- JOURNEY LEVEL
- Registered principal
- CUNZ, WILLIAM BERTHOLD · since 2021
- Service area
- Spokane
Something here wrong or out of date? The business can claim this listing and correct it.
Questions worth asking Downriver Plumbing LLC
Is Downriver Plumbing LLC a registered contractor?
The number you want is DOWNRPL799NQ — Downriver Plumbing LLC's Washington State L&I contractor registration, expiring August 2027. Last checked September 14, 2026. Washington's contractor lookup is free and open if you want to confirm it today. The same record shows a $6,000 contractor bond (Ohio Cas Ins Co) and $1,000,000 of liability insurance with Ohio Security Ins Co through July 2027. Ask them to send the bond and insurance certificates over before the first day on site.
What areas does Downriver Plumbing LLC 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.
How does a business get listed on this site?
Licensed, and working in Spokane. That is the bar for a page on this site, and Downriver Plumbing LLC clears it. That registration is checked against Washington's record, and the date of the check is on this page for you to weigh.