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Septic System Contractors in Kingston, WA

5 verified septic system contractors in Kingston, WA. Listings are filtered from the Washington gold-tier pro shard and ordered by trust signals, not lead bidding.

5 verified septic-system County0 active board overlays2 license-status overlays

Compare local septic system contractors

Septic tank, drain field, and on-site wastewater system installation/service. This page includes only pros whose profile city matches Kingston and whose trade list includes septic system contractor.

Ranked by ProFix data-confidence: complete contact details, public-record coverage, board-backed license overlays where available, and tier quality; never by payment. Showing the top 5 of 5 matching profiles.

Top 5 septic system contractors in Kingston, WA

  1. #1
    State-board overlay: EXPIRED via WA L&I as of 2026-06-15. This is a status overlay, not an active-license claim.
  2. #2
  3. #3
  4. #4
  5. #5
    State-board overlay: EXPIRED via WA L&I as of 2026-06-15. This is a status overlay, not an active-license claim.

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