Plumbing contractors in Mountlake Terrace, WA

11 contractors · Updated Nov 11, 2026

Plumbing contractors install and repair the water supply, drain, waste, and vent systems that carry water through a building. Washington currently lists 11 Plumbing contractors registered in Mountlake Terrace.

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Claimed and verified listings appear first.

After Hours Plumbing Luke LLC

Listed

Residential · Mountlake Terrace, WA

License #AFTERHP750DE · $15,000 bond

Always Testing INC

Listed

Backflow Specialty · Mountlake Terrace, WA

License #ALWAYTI782L7 · $6,000 bond

Fischer Services

Listed

Journey Level · Mountlake Terrace, WA

License #FISCHS*741DW · $6,000 bond

HP Plumbing & Heating INC

Listed

Journey Level · Mountlake Terrace, WA

License #HPPLUPH792N5 · $6,000 bond

Jim Dandy Enterprise INC

Listed

Journey Level · Mountlake Terrace, WA

License #JIMDADE791MG · $6,000 bond

Lake City Plumbing

Listed

Residential · Mountlake Terrace, WA

License #LAKECCP791MG · $6,000 bond

Minnis Custom Plumbing LLC

Listed

Journey Level · Mountlake Terrace, WA

License #MINNICP795MR · $6,000 bond

Plumb Pros LLC

Listed

Journey Level · Mountlake Terrace, WA

License #PLUMBPL792RG · $6,000 bond

Specialty Plumbing & Htg INC

Listed

Journey Level · Mountlake Terrace, WA

License #SPECIPH783QT · $6,000 bond

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Built from Washington State L&I public records, updated Nov 11, 2026. Subser doesn't do star ratings or reviews — just verified records.