ContractorHistory

Registered Washington contractor, based in FOND DU LAC, WI

J F AHERN CO

Registered in Washington for 21 years

License number
JFAHEFA957DC
UBI
602471354
Trade
Fire protection systems(all fire protection systems contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · FIRE PROTECT SYSTEM
Business address
FOND DU LAC, WI
Phone
(920) 921-9020

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 28, 2005
Expiration date
March 6, 2027

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

Bond

Current bond

  • Bond company
    Continental Cas Co
    Bond number
    929349872
    Amount
    $15,000
    Effective date
    January 31, 2024
    Expiration date
    Until canceled

Bond history

  • Bond company
    Continental Cas Co
    Bond number
    929349872
    Amount
    $6,000
    Effective date
    January 31, 2005
    Expiration date
    January 31, 2024

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

Liability insurance

Current policy

  • Carrier
    Zurich American Ins Co
    Policy number
    GLO 6355347 16
    Coverage amount
    $2,000,000
    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.

  • AHERN, ANTHONY JSince February 28, 2005
  • AHERN, JOHN ESince February 28, 2005
  • JARVIS, JAMES RSince February 25, 2011
  • ANHALT, SHAWN MICHAELSince February 22, 2019
  • HIERLMEIER, JACE THOMASSince February 22, 2019
  • LAUFENBERG, KRISTANA MARIESince February 22, 2019
  • TAHLMAN, KRISTA JOYCESince February 22, 2019
  • WUNDERLIN, ADAM JSince February 22, 2019
  • NADLER, GRANT EMANUELSince February 1, 2022
  • COLYAR, MICHELLE CFebruary 28, 2005 to February 22, 2019
  • FISHER, ROBERT JFebruary 28, 2005 to February 22, 2019
  • FOX, ALAN RFebruary 28, 2005 to February 22, 2019
  • KRUEGER, MICHAEL HFebruary 28, 2005 to February 25, 2011
  • AHERN, JOHN E IIIFebruary 25, 2011 to February 22, 2019
  • BITTNER, RYAN JFebruary 25, 2011 to February 22, 2019
  • COLLINS, KENNETH LFebruary 25, 2011 to February 22, 2019
  • SCHNEIDER, TIMOTHY MICHAELJanuary 25, 2017 to February 22, 2019

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: J F AHERN in FOND DU LAC. 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 JFAHEFA957DC).