Massachusetts
Division of Professional Licensure
ROBERT K. TRETHEWEY
Plumber
License number
11207
Date granted
01/31/1990
Date expires
05/01/2014
Class
Plumber
Status
Current
licensingma.org
ID 3552316
LAST UPDATED 2026-05-22 06:03:36 UTC
LAST UPDATED 2026-05-22 06:03:36 UTC
This website is unaffiliated with the Division of Professional Licensure. Please verify all information directly with the relevant official government authority.