General Contractor in Troutdale, WA. GENERAL
Black Diamond Sealcoating appears in Washington license records as a general contractor based in Troutdale, WA. The record lists a CONSTRUCTION CONTRACTOR license (#BLACKDS838N5) with status “Active”. It was first issued on 2017-08-25, 9 years ago. The listed expiration date, 2026-06-21, 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.
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Create a free account Or subscribe to message in-appCheck license #BLACKDS838N5 on the Washington L&I lookup and the BBB the day you hire; status can change after Bidroom's last import (2026-04-09).
Black Diamond Sealcoating is a general contractor based in Troutdale, Washington. Their license classification is GENERAL. Listed specialties: GENERAL.
Yes. Black Diamond Sealcoating holds Washington L&I license #BLACKDS838N5 (status: Active). Verify the current status on Washington L&I before hiring.
Black Diamond Sealcoating is based in Troutdale, WA 97060.
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The fastest way is to post your project on Bidroom — Black Diamond Sealcoating and up to 2 other verified general contractors in Troutdale 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.
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