Washington contractor license
XTRA-THERM INSULATION LLC
- CC-SO Insulation And Acoustical
XTRA-THERM INSULATION LLC is a CC-SO Insulation And Acoustical contractor in Mount Vernon, licensed in Washington for 10 years (since 2016). As of Oct 28, 2026, the license is active with an expiration date of Apr 25, 2028 on record and a license bond is on file.
XTRA-THERM INSULATION LLCCC-SO Insulation And Acoustical · checked Oct 28, 2026
ActiveLicense number#XTRATIL849J5
Licensed sinceApr 25, 2016
Years licensed10 years
Expiration on recordApr 25, 2028
City and countyMount Vernon
License bondOn file
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Source: Washington State Department of Labor & Industries (L&I) contractor records. Last updated Oct 28, 2026. Page refreshed Nov 4, 2026.