Registered Washington contractor, based in ARLINGTON HEIGHTS, IL
E3 DIAGNOSTICS
First registered in Washington on March 25, 2024
- License number
- E3DIAD*763DH
- UBI
- 603452875
- Trade
- Other(all other contractors in Washington)
- L&I license type and specialty
- CONSTRUCTION CONTRACTOR · APPLIANCES/EQUIPMENT
- Business address
- ARLINGTON HEIGHTS, IL
- Phone
- (800) 323-4371
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 25, 2024
- Expiration date
- March 25, 2026
- Suspension date
- May 31, 2024
Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.
Related licenses
One other license number is registered under the same UBI, 603452875. 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.
- E3 MSR WESTEXPIRED
License E3MSRMW832KU · CONSTRUCTION CONTRACTOR · May 31, 2017 to February 11, 2022 · suspension date May 31, 2020
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 10, 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 10, 2026.
People
Principals L&I lists for this license.
- HAAG, SCOTT MICHAELSince March 8, 2024
- MAHER, PATRICK NSince March 8, 2024
Source: L&I Contractor License - Principal Data, Washington State Department of Labor & Industries. Last synced October 10, 2026.
Attorney General complaints
No Attorney General complaint records found.
Matched on business name and city: E3 DIAGNOSTICS in ARLINGTON HEIGHTS. 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 10, 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
- L&I Contractor License Data - General, Washington State Department of Labor & Industries
- L&I Contractor License Data - Bond, Washington State Department of Labor & Industries
- L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries
- L&I Contractor License - Principal Data, Washington State Department of Labor & Industries
- Attorney General Consumer Complaints, Washington State Attorney General's Office
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 E3DIAD*763DH).