Washington contractor license
CLARK SIGN SERVICE
- EC-01 General
CLARK SIGN SERVICE is an EC-01 General contractor in St Helens, licensed in Washington for 26 years (since 1999). As of Oct 28, 2026, the license is active with an expiration date of Dec 23, 2027 on record and a license bond is on file.
CLARK SIGN SERVICEEC-01 General · checked Oct 28, 2026
ActiveLicense number#CLARKSS015R3
Licensed sinceDec 23, 1999
Years licensed26 years
Expiration on recordDec 23, 2027
City and countySt Helens
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.