Contractor in Dayton, WA.
Tier 1 Plumbing appears in Washington license records as a contractor based in Dayton, WA. The record lists a WA L&I Construction Contractor license (#TIER11P752LF) with status “Active”. It is listed as valid through 2027-06-06.
Information sourced from public state license records — not yet verified by the business owner. Always confirm credentials before hiring.
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Create a free account Or subscribe to message in-appCheck license #TIER11P752LF on the Washington L&I lookup and the BBB the day you hire; status can change after Bidroom's last import (2026-05-04).
Tier 1 Plumbing is a contractor based in Dayton, Washington. Their license classification is JOURNEY LEVEL.
Yes. Tier 1 Plumbing holds Washington L&I license #TIER11P752LF (status: Active). Verify the current status on Washington L&I before hiring.
Tier 1 Plumbing is based in Dayton, WA 99328.
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The fastest way is to post your project on Bidroom — Tier 1 Plumbing and up to 2 other verified contractors in Dayton can bid on it, and every quote includes itemized pricing + a written scope of work.
Not yet. This listing was created from public Washington license records but hasn't been claimed by the owner. The license info above is from official records, but the business hasn't confirmed its services, hours, or current availability with us yet.
Contractor vetting checklist · Cost guide · Look up this license at the state board