The details on Superior Insulation Co. LLC
- WA L&I registration
- SUPERIC832LT
- Registered as
- Superior Insulation Co LLC
- Registration checked
- September 7, 2026
- Registered since
- 2017
- Expires
- June 2027
- Contractor bond
- $30,000 · Western Surety Co
- Liability insurance
- $1,000,000 · FEDERATED RESERVE INSURANCE CO
- Insurance through
- May 2027
- Primary trade
- General Contractor
- L&I specialty
- GENERAL
- Registered principal
- WILSON, BENJAMIN JONAS · since 2017
- Registered principal
- QUINN, EVERETT MAX · since 2017
- Service area
- Spokane
- Phone
- (509) 443-4398
Something here wrong or out of date? The business can claim this listing and correct it.
Questions worth asking Superior Insulation Co. LLC
Is Superior Insulation Co. LLC licensed in Washington?
Registration SUPERIC832LT is the one to check, and it expires June 2027. It is Superior Insulation Co. LLC's, filed with Washington State L&I. That was current on the state record as of September 7, 2026 — the link on this page goes to the record itself. On file alongside it: a $30,000 contractor bond (Western Surety Co) and $1,000,000 of liability insurance with FEDERATED RESERVE INSURANCE CO through May 2027. Ask for proof of bond and current insurance before work starts.
Where does Superior Insulation Co. LLC work?
They list Spokane. Confirm your address is inside that when you ring — coverage moves around, especially in winter.
How did Superior Insulation Co. LLC end up on this page?
Licensed, and working in Spokane. That is the bar for a page on this site, and Superior Insulation Co. LLC 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. Superior Insulation Co. LLC rates 4.2 out of 5 on Google across 20 reviews, and this page links straight to those reviews so you can read them for yourself.