Massachusetts
Division of Professional Licensure
BRIAN D. OLSON
Plumber
License number
11561
Date granted
07/16/1991
Date expires
05/01/2014
Class
Plumber
Status
Current
licensingma.org
ID 3564927
LAST UPDATED 2026-05-31 15:53:41 UTC
LAST UPDATED 2026-05-31 15:53:41 UTC
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