ContractorHistory

Washington contractor

M & D ABATEMENT SERVICES LLC

Registered in Washington for 18 years

License number
MDABADA923NK
UBI
602843765
Trade
General contractor(all general contractor contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · GENERAL
City
WOODINVILLE, WA(all contractors in Woodinville)
Phone
(425) 637-9770

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
August 12, 2008
Expiration date
August 13, 2028

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

Bond

Current bond

  • Bond company
    Ohio Cas Ins Co
    Bond number
    47K007543
    Amount
    $30,000
    Effective date
    July 21, 2024
    Expiration date
    Until canceled
  • Bond company
    Ohio Cas Ins Co
    Bond number
    47K007543
    Amount
    $12,000
    Effective date
    April 1, 2024
    Expiration date
    Until canceled

Bond history

  • Bond company
    Ohio Cas Ins Co
    Bond number
    795235C
    Amount
    $12,000
    Effective date
    August 26, 2019
    Expiration date
    April 16, 2024

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

Liability insurance

Current policy

  • Carrier
    Westchester Surp Lines Ins Co
    Policy number
    G47485897003
    Coverage amount
    $1,000,000
    Effective date
    August 29, 2026
    Expiration date
    August 29, 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.

  • BARR, RICHARDSince July 16, 2024
  • HORTON, ALYSON MARIESince July 16, 2024
  • MACK, MICHAEL SSince July 16, 2024
  • MACK, MICHAEL SAugust 12, 2008 to July 16, 2024
  • OLSON, DANIEL WILBURAugust 12, 2008 to August 3, 2018
  • BARR, RICHARD EDWARDAugust 3, 2018 to July 16, 2024

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: M D ABATEMENT SERVICES in WOODINVILLE. 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 MDABADA923NK).