WA L&I licence records
Mercer Island contractors on the Washington L&I register
Every Washington L&I registration on file at a Mercer Island, Washington address. A licence from one state grants nothing in the other, so a firm working both sides of the river carries both.
108 records on file·Washington State Department of Labor & Industries·data as of July 2026
1 more Mercer Island business holds an Oregon CCB licence instead. Those are a separate register and a separate page: Mercer Island contractors on the Oregon CCB register →
Showing 1–25 of 108 records
Trades registered in Mercer Island
10 classificationsVerify any record directly with the issuing agency: WA L&I Verify a Contractor · Oregon CCB licence search
For contractors
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