Active & Verified State Credential
Verified: Sep 17, 2026
Watchpost

Steven J Mackin Sr

Master HVAC Contractor

License Number#HM04981
Issued: Sep 4, 2009
Expires: Jul 31, 2026
Employer / Parent Contractor

CSS Mechanical

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Licensed Master HVAC Contractor registered with the Kentucky Department of Housing, Buildings and Construction.

Verified active in the Watchpost registry. Continuous compliance tracking enabled for roster auditing.

Associated with CSS Mechanical across Kentucky trade regions.

License Lifecycle

IssuedSep 4, 2009
ExpiresJul 31, 2026
Grace EndsSep 29, 2026

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ClassificationMaster HVAC Contractor
License NumberHM04981
ExpiresJul 31, 2026

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