ContractorHistory

Washington contractor

MAINLINE CONST COMP LLC

Registered in Washington for 7 years

License number
MAINLCC822QB
UBI
604333179
Trade
General contractor(all general contractor contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · GENERAL
City
MOSES LAKE, WA(all contractors in Moses Lake)
Phone
(509) 388-7392

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

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

Registration

Status
ACTIVE
Effective date
November 2, 2018
Expiration date
February 4, 2027

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

Bond

Current bond

  • Bond company
    Western Surety Co
    Bond number
    66304956
    Amount
    $30,000
    Effective date
    July 6, 2024
    Expiration date
    Until canceled

Bond history

  • Bond company
    Western Surety Co
    Bond number
    66304956
    Amount
    $12,000
    Effective date
    June 28, 2022
    Expiration date
    February 3, 2025

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

Liability insurance

Current policy

  • Carrier
    Western World Ins Co
    Policy number
    NPP6233684
    Coverage amount
    $1,000,000
    Effective date
    March 3, 2026
    Expiration date
    March 3, 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.

  • ADAMSON, KEVIN DSince November 2, 2018
  • Widdis, Charles JasonSince April 7, 2023

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 CONST COMP in MOSES LAKE. Complaints filed under another name or city are not included.

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 MAINLCC822QB).