ContractorHistory

Washington contractor

A & D QUALITY CONST CO LLC

Registered in Washington for 27 years

License number
ADQUACC016CK
UBI
601879896
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
(425) 271-7751

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
February 12, 1999
Expiration date
January 15, 2027

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

Bond

Current bond

  • Bond company
    Merchants Bonding Co (Mutual)
    Bond number
    WA101229
    Amount
    $30,000
    Effective date
    December 1, 2024
    Expiration date
    Until canceled

Bond history

  • Bond company
    Merchants Bonding Co (Mutual)
    Bond number
    WA101229
    Amount
    $12,000
    Effective date
    June 9, 2021
    Expiration date
    December 1, 2024
  • Bond company
    North American Spec Ins Co
    Bond number
    SUR2296545
    Amount
    $12,000
    Effective date
    June 29, 2020
    Expiration date
    June 9, 2021
  • Bond company
    American Contractors Indem CO
    Bond number
    100249239
    Amount
    $12,000
    Effective date
    June 9, 2014
    Expiration date
    Not on record
    Cancellation date
    November 5, 2020

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

Liability insurance

Current policy

  • Carrier
    WESTERN NATIONAL MUTUAL INS CO
    Policy number
    0001835947
    Coverage amount
    $1,000,000
    Effective date
    August 22, 2026
    Expiration date
    August 22, 2027

Insurance history

  • Carrier
    WESTERN NATIONAL MUTUAL INS CO
    Policy number
    CPP 1254047
    Coverage amount
    $1,000,000
    Effective date
    August 22, 2025
    Expiration date
    August 22, 2027
    Cancellation date
    August 22, 2026

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.

  • DEMPS, KEITH DE WAYNE SRSince February 12, 1999
  • DEMPS, ANNETTE BERNICESince December 26, 2014

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: A D QUALITY CONST 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 ADQUACC016CK).