Massachusetts
Division of Professional Licensure
JOHN F. MACKINNON JR.
Plumber
License number
19563
Date granted
06/27/1983
Date expires
05/01/2014
Class
Plumber
Status
Current
licensingma.org
ID 3554281
LAST UPDATED 2026-04-01 14:51:12 UTC
LAST UPDATED 2026-04-01 14:51:12 UTC
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