ContractorHistory

Registered Washington contractor, based in LAS VEGAS, NV

CO2 MONITORING LLC

First registered in Washington on April 16, 2021

License number
CO2MOML797JW
UBI
604696792
Trade
Fire protection systems(all fire protection systems contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · FIRE PROTECT SYSTEM
Business address
LAS VEGAS, NV
Phone
(702) 844-8428

Current verification

  • Found: No Attorney General complaint records found
  • Review: Registration is not currently active
  • Review: A registration suspension is on record
  • 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
SUSPENDED
Effective date
April 16, 2021
Expiration date
April 16, 2027
Suspension date
November 1, 2025

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, 604696792. 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.

  • License CO2MOML765QD · ELECTRICAL CONTRACTOR · October 30, 2024 to October 30, 2028

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 SUSPENDED 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 SUSPENDED 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.

  • LONGLEY, RONALD VINCENTSince April 15, 2021
  • NEILSON, SCOTT MSince April 15, 2021

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: CO2 MONITORING in LAS VEGAS. Complaints filed under another name or city are not included.

One other registered contractor shares this business name and city: CO2 MONITORING LLC (CO2MOML765QD, 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 CO2MOML797JW).