The details on Superior Insulation Co. LLC
- WA L&I registration
- SUPERIC832LT
- Registered as
- Superior Insulation Co LLC
- Registration checked
- July 27, 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
- Service area
- Spokane
- Phone
- (509) 443-4398
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Questions worth asking Superior Insulation Co. LLC
Is Superior Insulation Co. LLC licensed in Washington?
Superior Insulation Co. LLC holds Washington State (L&I) contractor registration SUPERIC832LT, expiring June 2027. We verified it against the state record on July 27, 2026, and you can check the same number on Washington's contractor lookup in about a minute. L&I also lists 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.
What areas does Superior Insulation Co. LLC serve?
Spokane. Service areas change, so confirm they cover your address when you call.
How did Superior Insulation Co. LLC end up on this page?
Superior Insulation Co. LLC is licensed and working in the Spokane area — that's the whole bar for a page here. We check that registration against the state's own record and date the check on this page, so you can see for yourself how current it is. Superior Insulation Co. LLC rates 4.2 out of 5 on Google across 19 reviews, and this page links straight to those reviews so you can read them for yourself.