Is MAINLINE PLUMBING & DRAIN actively registered in Washington?
Confirmed official snapshot record
Yes, this registration appears as ACTIVE.
Yes. Washington L&I's contractor dataset snapshot August 25, 2026 at 5:35 PM PDT lists MAINLINE PLUMBING & DRAIN, registration MAINLPD750RD, as ACTIVE in Federal Way, Washington with the published specialty GENERAL. The registration became effective December 3, 2025 and has a published expiration date of December 3, 2027.
Legal business nameMAINLINE PLUMBING & DRAIN
Registration numberMAINLPD750RD
Source statusACTIVE
Registration typeCONSTRUCTION CONTRACTOR
Published specialtyGENERAL
Effective dateDecember 3, 2025
Published expirationDecember 3, 2027
Mailing localityFederal Way, WA 98023
Source snapshotAugust 25, 2026 at 5:35 PM PDT
Business-level public facts onlyNo principal or phone dataMailing city is not service territory
Yes. Washington L&I's contractor dataset snapshot August 25, 2026 at 5:35 PM PDT lists MAINLINE PLUMBING & DRAIN, registration MAINLPD750RD, as ACTIVE in Federal Way, Washington with the published specialty GENERAL. The registration became effective December 3, 2025 and has a published expiration date of December 3, 2027.
Source-firstReviewed Aug 2026
What the answer proves
One business registration appears as active in one official snapshot.
The identified business registration appears as ACTIVE in the official Washington L&I contractor dataset snapshot at the displayed source timestamp, with the published license number, registration type, specialty, effective date, expiration date, mailing city, and ZIP code.