Contractor in Boring, OR · licensed in Washington.
Keystone Excavation Llc appears in Washington license records as a contractor based in Boring, OR (licensed in Washington). The record lists a WA L&I Construction Contractor license (#KEYSTEL742DJ) with status “Active”. It is listed as valid through 2028-03-11.
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/keystone-excavation-llc.
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Create a free account Or subscribe to message in-appCheck license #KEYSTEL742DJ 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 Excavation Llc is a contractor based in Boring, Washington. Their license classification is GENERAL.
Yes. Keystone Excavation Llc holds Washington L&I license #KEYSTEL742DJ (status: Active). Verify the current status on Washington L&I before hiring.
Keystone Excavation Llc is based in Boring, OR 97009. It holds a Washington license but lists a business address in Oregon.
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The fastest way is to post your project on Bidroom — Keystone Excavation Llc and up to 2 other verified contractors in Boring 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