ContractorHistory

Washington contractor

AHTNA ENGINEERING SERVICES LLC

Registered in Washington for 15 years

License number
AHTNAES890KS
UBI
602717584
Trade
General contractor(all general contractor contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · GENERAL
City
RENTON, WA(all contractors in Renton)
Phone
(206) 299-0601

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
May 10, 2011
Expiration date
November 21, 2027

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

Bond

Current bond

  • Bond company
    Harco National Insurance Co
    Bond number
    0544222
    Amount
    $30,000
    Effective date
    July 1, 2024
    Expiration date
    Until canceled
  • Bond company
    INTERNATIONAL FIDELITY INSURANCE COMPANY
    Bond number
    0544223
    Amount
    $12,000
    Effective date
    April 19, 2011
    Expiration date
    Until canceled

Bond history

  • Bond company
    Harco National Insurance Co
    Bond number
    0544222
    Amount
    $12,000
    Effective date
    April 19, 2022
    Expiration date
    July 1, 2024

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

Liability insurance

Current policy

  • Carrier
    Evanston Ins Co
    Policy number
    MKLV5ENV105879
    Coverage amount
    $1,000,000
    Effective date
    September 1, 2026
    Expiration date
    September 1, 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.

  • WONG, BERNARD BONG-LAPSince May 10, 2011
  • DEMENTI, ELEANORSince October 28, 2019
  • DYE, JOHN LEESince October 28, 2019
  • GOULD, TIMOTHY FRANCISSince October 28, 2019
  • NELSON, KRYSTAL MMay 10, 2011 to October 28, 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: AHTNA ENGINEERING SERVICES in RENTON. 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 AHTNAES890KS).