Northwest Tank & Environmental Services
Public listing for Northwest Tank & Environmental Services, drawn from WA Ecology UST Service Providers (XLSX).
Oil Tank Directory is a public certification lookup and comparison site. We are not a contractor, and we do not perform tank removal, testing, or cleanup. We list firms that appear on publicly published state certification or service-provider lists. Always verify a firm's current license or certification with the issuing state agency before hiring. This page is not a review, rating, or endorsement.
- Address: 21120 SR 9 SE
- Location: Woodinville, WA, 98072
- Phone (from source list): (425) 742-9622
- Email (from source list): info@nwtank.com
- Services (as published): Tank/piping tightness, Cathodic protection, Retrofit/repair, Decommissioning
- Service area note: Statewide
Source WA Ecology UST Service Providers (XLSX) · list date 2026-10-05
Verify before hiring: WA Ecology UST program
Connect with a listed firm
Directory disclosure: Oil Tank Directory is a public certification lookup and comparison site. We are not a contractor, and we do not perform tank removal, testing, or cleanup. We list firms that appear on publicly published state certification or service-provider lists. Always verify a firm's current license or certification with the issuing state agency before hiring.