Massachusetts
Division of Professional Licensure
JOHN J. VALENTYN
Plumber
License number
26128
Date granted
01/11/2002
Date expires
05/01/2014
Class
Plumber
Status
Current
licensingma.org
ID 3565882
LAST UPDATED 2026-05-12 05:59:11 UTC
LAST UPDATED 2026-05-12 05:59:11 UTC
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