The details on Therma-Lock Insulation LLC
- WA L&I registration
- THERMIL757RN
- Registration checked
- September 14, 2026
- Registered since
- 2025
- Expires
- December 2027
- Contractor bond
- $30,000 · Lexon Ins Co
- Liability insurance
- $1,000,000 · Sierra Specialty Insurance Com
- Insurance through
- November 2026
- Primary trade
- General Contractor
- L&I specialty
- GENERAL
- Registered principal
- DRAGOMIR, RUVIM · since 2025
- Service area
- Spokane Valley
Something here wrong or out of date? The business can claim this listing and correct it.
Questions worth asking Therma-Lock Insulation LLC
Is Therma-Lock Insulation LLC licensed in Washington?
Yes — Therma-Lock Insulation LLC holds Washington State (L&I) contractor registration THERMIL757RN, expiring December 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 (Lexon Ins Co) and $1,000,000 of liability insurance with Sierra Specialty Insurance Com through November 2026. Ask for proof of bond and current insurance before work starts.
What areas does Therma-Lock Insulation LLC serve?
They list Spokane Valley. Confirm your address is inside that when you ring — coverage moves around, especially in winter.
How did Therma-Lock Insulation LLC end up on this page?
Every general contractor business licensed in the Spokane area gets a page here, and Therma-Lock Insulation LLC is one of them. 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.