Massachusetts
Division of Professional Licensure
JOHN W. GRIDLEY
Plumber
License number
23942
Date granted
10/25/1993
Date expires
05/01/2014
Class
Plumber
Status
Current
licensingma.org
ID 3563446
LAST UPDATED 2026-07-30 10:50:43 UTC
LAST UPDATED 2026-07-30 10:50:43 UTC
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