ContractorHistory

Registered Washington contractor, based in TRENTON, GA

NATIONAL BOILER SERVICE INC

First registered in Washington on March 11, 2011

License number
NATIOBS891B8
UBI
601977781
Trade
HVAC(all hvac contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · BOILER/STEAM FIT/PROC PIPING
Business address
TRENTON, GA
Phone
(706) 657-6200

A newer license record under the same UBI is on file: NATIONAL BOILER SERVICE LLC, license NATIOBS761RP, ACTIVE, effective December 16, 2024. See Related licenses below.

Current verification

  • Found: No Attorney General complaint records found
  • Review: Registration is not currently active
  • Review: Registration appears to be expired
  • 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
EXPIRED
Effective date
March 11, 2011
Expiration date
April 22, 2026
Suspension date
October 5, 2024

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

One other license number is registered under the same UBI, 601977781. 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

L&I does not publish bond records for contractors with EXPIRED status.

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

Liability insurance

L&I does not publish liability insurance records for contractors with EXPIRED status.

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.

  • JOHNSON, KURT RUSSELLSince January 27, 2011
  • HUNTER, ROBERT KENNETHSince February 4, 2020
  • MESAMORE, JAMES MICHAELSince February 4, 2020
  • BECKER, MICHAEL SHELSince May 9, 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: NATIONAL BOILER SERVICE in TRENTON. Complaints filed under another name or city are not included.

One other registered contractor shares this business name and city: NATIONAL BOILER SERVICE LLC (NATIOBS761RP, 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 NATIOBS891B8).