Massachusetts
Division of Professional Licensure
PATRICK J. CALLAHAN
Security and Fire Alarm Installers
License number
10275
Date granted
11/26/2008
Date expires
07/31/2016
Class
Security and Fire Alarm Installers
Status
Current
licensingma.org
ID 3780942
LAST UPDATED 2026-03-25 23:59:59 UTC
LAST UPDATED 2026-03-25 23:59:59 UTC
This website is unaffiliated with the Division of Professional Licensure. Please verify all information directly with the relevant official government authority.