Plumbing contractors in Mountlake Terrace, WA

8 contractors · Updated Aug 12, 2026

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HP Plumbing & Heating INC

Plumbing · Mountlake Terrace, WA

License #HPPLUPH932OD · $6,000 bond

Minnis Custom Plumbing LLC

Plumbing · Mountlake Terrace, WA

License #MINNICP952NC · $6,000 bond

Specialty Plumbing & Htg INC

Plumbing · Mountlake Terrace, WA

License #SPECIPH877L4

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Built from Washington State L&I public records, updated Aug 12, 2026. No star ratings or reviews — verification only.