ContractorHistory

Washington contractor

A R BROWN BACKFLOW TESTING

Registered in Washington for 2 years

License number
ARBROBB760OF
UBI
603420595
Trade
Plumbing(all plumbing contractors in Washington)
L&I license type and specialty
PLUMBING CONTRACTOR · BACKFLOW SPECIALTY
City
LYNNWOOD, WA(all contractors in Lynnwood)
Phone
(206) 818-6549

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
  • 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
ACTIVE
Effective date
September 9, 2024
Expiration date
September 9, 2028

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

Related licenses

2 other license numbers are registered under the same UBI, 603420595. 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.

  • A R BROWN BACKFLOW TESTINGEXPIRED

    License ARBROBB772NS · CONSTRUCTION CONTRACTOR · August 9, 2023 to August 9, 2025

  • A R BROWN BACKFLOW TESTINGRE-LICENSED

    License RBROWRB863OK · CONSTRUCTION CONTRACTOR · September 12, 2014 to September 22, 2022

    L&I describes this status as "relicensed under another name, structure, or specialty." Relicensing is common: a business is given a new license number when it changes its legal structure, name, or specialty.

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
    999352889
    Amount
    $6,000
    Effective date
    September 6, 2024
    Expiration date
    Until canceled

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

Liability insurance

Current policy

  • Carrier
    Ohio Security Ins Co
    Policy number
    BKS56296322
    Coverage amount
    $1,000,000
    Effective date
    September 9, 2025
    Expiration date
    September 9, 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.

  • Brown, Andrew RobertSince September 6, 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: A R BROWN BACKFLOW TESTING in LYNNWOOD. Complaints filed under another name or city are not included.

2 other registered contractors share this business name and city: A R BROWN BACKFLOW TESTING (ARBROBB772NS, EXPIRED), A R BROWN BACKFLOW TESTING (RBROWRB863OK, RE-LICENSED). Complaints are matched by business name and city, so any complaint records shown here also appear on those pages. The records do not say which of these contractors a complaint was about.

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 ARBROBB760OF).