ContractorHistory

Washington contractor

MAWHINNEY CONSTRUCTION LLC

Registered in Washington for 15 years

License number
MAWHICL890C2
UBI
603082876
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) 355-7913

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 22, 2011
Expiration date
February 22, 2027

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

Bond

Current bond

  • Bond company
    Western Surety Co
    Bond number
    64497239
    Amount
    $30,000
    Effective date
    February 22, 2025
    Expiration date
    Until canceled

Bond history

  • Bond company
    Western Surety Co
    Bond number
    64497239
    Amount
    $12,000
    Effective date
    February 20, 2019
    Expiration date
    February 22, 2025

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
    BKS59496796
    Coverage amount
    $1,000,000
    Effective date
    February 20, 2020
    Expiration date
    February 20, 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.

  • MAWHINNEY, BRIAN AIDANSince February 22, 2011

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: MAWHINNEY CONSTRUCTION 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 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 MAWHICL890C2).