Signs contractors in Mount Vernon, WA

3 contractors · Updated Aug 13, 2026

Sign contractors fabricate, install, and service business signs, from building-mounted lettering to freestanding displays. Washington currently lists 3 Signs contractors registered in Mount Vernon.

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Mortenson Signs, LLC

Signs · Mount Vernon, WA

License #MORTESL763NR · $15,000 bond

Signmart LLC

Signs · Mount Vernon, WA

License #SIGNML*929J3 · $15,000 bond

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Built from Washington State L&I public records, updated Aug 13, 2026. No star ratings or reviews — verification only.