Massachusetts
Division of Professional Licensure
JOHN J. SIMPSON
Plumber
License number
34737
Date granted
09/27/2010
Date expires
05/01/2014
Class
Plumber
Status
Current
licensingma.org
ID 3544975
LAST UPDATED 2026-03-14 16:55:59 UTC
LAST UPDATED 2026-03-14 16:55:59 UTC
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