Registered Washington contractor, based in OGDEN, UT
MECHANICAL DESIGN/SERVICE LLC
First registered in Washington on February 19, 2016
- License number
- MECHADL845CQ
- UBI
- 602802693
- Trade
- HVAC(all hvac contractors in Washington)
- L&I license type and specialty
- CONSTRUCTION CONTRACTOR · Heating/Vent/Air-Conditioning and Refrig (HVAC/R)
- Business address
- OGDEN, UT
- Phone
- (801) 436-1045
Current verification
- Found: No Attorney General complaint records found
- Review: Registration is not currently active
- Review: Registration appears to be expired
From the state records below; each section shows its source and when it was last synced.
Registration
- Status
- EXPIRED
- Effective date
- February 19, 2016
- Expiration date
- February 19, 2022
- Suspension date
- March 23, 2021
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.
- MICHAEL STEWART NELSONSince February 18, 2016
- NELSON, MICHAEL STEWARTSince February 18, 2016
- TOULATOS, NICK GSince March 1, 2016
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: MECHANICAL DESIGN SERVICE in OGDEN. 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 MECHADL845CQ).