ContractorHistory

Washington contractor

GUARDIAN SECURITY SYSTEMS INC

Registered in Washington for 42 years

License number
GUARDSS161N9
UBI
600189667
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
(206) 622-6545

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: 1 other license record 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
August 29, 1984
Expiration date
August 3, 2028

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

Related licenses

One other license number is registered under the same UBI, 600189667. 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.

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

Bond

Current bond

  • Bond company
    American Contractors Indem CO
    Bond number
    100312141
    Amount
    $30,000
    Effective date
    July 26, 2024
    Expiration date
    Until canceled

Bond history

  • Bond company
    American Contractors Indem CO
    Bond number
    100312141
    Amount
    $12,000
    Effective date
    May 24, 2016
    Expiration date
    July 26, 2024

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

Liability insurance

Current policy

  • Carrier
    Hartford Casualty Ins Co
    Policy number
    72HHUQD3CME
    Coverage amount
    $1,000,000
    Effective date
    November 1, 2025
    Expiration date
    November 1, 2026
  • Carrier
    Hartford Fire Ins Co
    Policy number
    72UUNQD3CLG
    Coverage amount
    $1,000,000
    Effective date
    November 1, 2025
    Expiration date
    November 1, 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.

  • CLOSE, FRANK ASince August 29, 1984
  • CLOSE, AINSLEY ELIZABETHSince November 7, 2025
  • TREMAINE, DAVIS WRIGHTJune 24, 2010 to November 7, 2025

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: GUARDIAN SECURITY SYSTEMS in SEATTLE. Complaints filed under another name or city are not included.

One other registered contractor shares this business name and city: GUARDIAN SECURITY SYSTEMS INC (GUARDSS233K5, ACTIVE). 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 GUARDSS161N9).