Contractor in Silverlake, WA.
Keystone Plumbing Llc appears in Washington license records as a contractor based in Silverlake, WA. The record lists a WA L&I Construction Contractor license (#KEYSTPL782L2) with status “Expired”. The listed expiration date, 2024-06-17, 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.
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Create a free account Or subscribe to message in-appCheck license #KEYSTPL782L2 on the Washington L&I lookup and the BBB the day you hire; status can change after Bidroom's last import (2026-05-04).
Keystone Plumbing Llc is a contractor based in Silverlake, Washington. Their license classification is JOURNEY LEVEL.
Yes. Keystone Plumbing Llc holds Washington L&I license #KEYSTPL782L2 (status: Expired). Verify the current status on Washington L&I before hiring.
Keystone Plumbing Llc is based in Silverlake, WA 98645.
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The fastest way is to post your project on Bidroom — Keystone Plumbing Llc and up to 2 other verified contractors in Silverlake 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