Washington contractor license
CORNERSTONE ENVIR CONTRS INC
- EC-01 General
CORNERSTONE ENVIR CONTRS INC is an EC-01 General contractor in Concord, licensed in Washington for 2 years (since 2024). As of Oct 28, 2026, the license is active with an expiration date of Jul 11, 2028 on record and a license bond is on file.
CORNERSTONE ENVIR CONTRS INCEC-01 General · checked Oct 28, 2026
ActiveLicense number#CORNEEC767J5
Licensed sinceJul 11, 2024
Years licensed2 years
Expiration on recordJul 11, 2028
City and countyConcord
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.