ContractorHistory

Washington contractor

AB and Co Seattle LLC

First registered in Washington on June 14, 2018

License number
ABCOSCS828LM
UBI
604276684
Trade
General contractor(all general contractor contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · GENERAL
City
SEATTLE, WA(all contractors in Seattle)
Phone
(360) 531-2427

Current verification

  • Found: No Attorney General complaint records found
  • Review: Registration is not currently active
  • Review: Registration appears to be expired

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

Registration

Status
EXPIRED
Effective date
June 14, 2018
Expiration date
June 14, 2020
Suspension date
May 21, 2020

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

Bond

L&I does not publish bond records for contractors with EXPIRED status.

Source: L&I Contractor License Data - Bond, Washington State Department of Labor & Industries. Last synced October 11, 2026.

Liability insurance

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

Source: L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries. Last synced October 11, 2026.

People

Principals L&I lists for this license.

  • Bastian, Andrew CarterSince June 14, 2018
  • Mook, Leo IsadoreSince June 14, 2018

Source: L&I Contractor License - Principal Data, Washington State Department of Labor & Industries. Last synced October 11, 2026.

Attorney General complaints

No Attorney General complaint records found.

Matched on business name and city: AB CO SEATTLE in SEATTLE. 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 11, 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 ABCOSCS828LM).