Contractors in Mercer Island, WA

121 licensed · 4 trades · Last verified 2026-08-31

Mercer Island, Washington has 121 contractors with a current state license as of 2026-08-31. The most listed trades here are landscaping & hardscaping, painting & drywall, concrete, masonry & driveways. Each listing is verified against Washington L&I records and shows its license number and expiry date.