ContractorHistory

Washington contractor

MAINLINE DRAIN SERVICE LLC

Registered in Washington for 4 years

License number
MAINLDS780K3
UBI
603397549
Trade
Plumbing(all plumbing contractors in Washington)
L&I license type and specialty
PLUMBING CONTRACTOR · JOURNEY LEVEL
City
FEDERAL WAY, WA(all contractors in Federal Way)
Phone
(206) 294-9691

Current verification

  • Found: Active Washington contractor registration
  • Found: Current bond record found
  • Found: Current liability insurance record found
  • Found: No Attorney General complaint records found
  • Review: 2 other license records under the same UBI

From the state records below; each section shows its source and when it was last synced.

Registration

Status
ACTIVE
Effective date
May 16, 2022
Expiration date
May 16, 2028

Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.

2 other license numbers are registered under the same UBI, 603397549. A UBI identifies one business with the state; a business may hold more than one license, renew under a new number, or register a new license after an earlier one closed.

  • License MAINLPD750RD · CONSTRUCTION CONTRACTOR · December 3, 2025 to December 3, 2027

  • License MAINLDS851JP · CONSTRUCTION CONTRACTOR · April 17, 2015 to April 20, 2023

    L&I describes this status as "relicensed under another name, structure, or specialty." Relicensing is common: a business is given a new license number when it changes its legal structure, name, or specialty.

Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.

Bond

Current bond

  • Bond company
    NORTH RIVER INSURANCE COMPANY THE
    Bond number
    46CF814247
    Amount
    $6,000
    Effective date
    May 12, 2023
    Expiration date
    Until canceled

Bond history

  • Bond company
    HARTFORD INSURANCE CO THE MIDWEST
    Bond number
    57BSBIN6519
    Amount
    $6,000
    Effective date
    May 12, 2022
    Expiration date
    Not on record
    Cancellation date
    May 12, 2023

Source: L&I Contractor License Data - Bond, Washington State Department of Labor & Industries. Last synced October 9, 2026.

Liability insurance

Current policy

  • Carrier
    Mid-Century Ins Co
    Policy number
    607232367
    Coverage amount
    $1,000,000
    Effective date
    April 13, 2026
    Expiration date
    April 13, 2027

L&I publishes only the policy currently on file. Earlier policies are kept from our own nightly syncs, which began October 6, 2026.

Source: L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries. Last synced October 9, 2026.

People

Principals L&I lists for this license.

  • Luna, Ricardo MarcSince May 16, 2022
  • LUNA, NARA LYNSince June 13, 2022

Source: L&I Contractor License - Principal Data, Washington State Department of Labor & Industries. Last synced October 9, 2026.

Attorney General complaints

No Attorney General complaint records found.

Matched on business name and city: MAINLINE DRAIN SERVICE in FEDERAL WAY. Complaints filed under another name or city are not included.

One other registered contractor shares this business name and city: MAINLINE DRAIN SERVICE LLC (MAINLDS851JP, RE-LICENSED). Complaints are matched by business name and city, so any complaint records shown here also appear on those pages. The records do not say which of these contractors a complaint was about.

A complaint record does not establish that the business violated the law.

Source: Attorney General Consumer Complaints, Washington State Attorney General's Office. Last synced October 9, 2026.

Record history

Changes to this contractor's state records since we began tracking them. The state's current-status tools do not show these.

No changes recorded since our records began on October 6, 2026.

Sources

Record last synced October 7, 2026.

Check this record against the state directly on L&I's Verify a Contractor page (search by license number MAINLDS780K3).