ContractorHistory

Washington contractor

DIAMOND CONSTRUCTION

First registered in Washington on September 22, 2022

License number
DIAMOC*785ON
UBI
602668492
Trade
General contractor(all general contractor contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · GENERAL
City
RENTON, WA(all contractors in Renton)
Phone
(206) 973-6575

Current verification

  • Found: No Attorney General complaint records found
  • Review: Registration is not currently active
  • Review: Registration appears to be expired
  • Review: No current bond record located; L&I does not publish savings assignments
  • 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
INACTIVE
Effective date
September 22, 2022
Expiration date
September 22, 2024

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, 602668492. 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 DIAMOCL785O2 · CONSTRUCTION CONTRACTOR · September 22, 2022 to September 22, 2028

  • License DIAMOC*948R1 · CONSTRUCTION CONTRACTOR · December 21, 2006 to December 27, 2019 · suspension date December 19, 2019

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

Bond

Current bond

No current bond record located in the state's bond dataset.

L&I also accepts an assignment of a savings account in place of a bond. The state does not publish those in its open data, so this page cannot show one; L&I's Verify a Contractor tool does.

Bond history

  • Bond company
    NORTH RIVER INSURANCE COMPANY THE
    Bond number
    46CF806762
    Amount
    $12,000
    Effective date
    September 21, 2022
    Expiration date
    September 22, 2022

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

Liability insurance

L&I does not publish liability insurance records for contractors with INACTIVE status.

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.

L&I does not publish principal records for contractors with INACTIVE status.

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: DIAMOND CONSTRUCTION in RENTON. 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 DIAMOC*785ON).