Contractor in Mattawa, WA.
Master Tank appears in Washington license records as a contractor based in Mattawa, WA. The record lists a WA L&I Construction Contractor license (#MASTET*806C1) with status “Expired”. The listed expiration date, 2022-02-21, has passed, so check the state board before hiring.
Information sourced from public state license records — not yet verified by the business owner. Always confirm credentials before hiring.
This listing was created from public license records. The owner hasn’t claimed it yet — claim it now and we’ll build you a free professional website at bidroom.io/pro/master-tank.
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Create a free account Or subscribe to message in-appCheck license #MASTET*806C1 on the Washington L&I lookup and the BBB the day you hire; status can change after Bidroom's last import (2026-05-04).
Master Tank is a contractor based in Mattawa, Washington. Their license classification is GENERAL.
Yes. Master Tank holds Washington L&I license #MASTET*806C1 (status: Expired). Verify the current status on Washington L&I before hiring.
Master Tank is based in Mattawa, WA 99349.
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The fastest way is to post your project on Bidroom — Master Tank and up to 2 other verified contractors in Mattawa 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