Connecticut
Department of Consumer Protection
JOHN DUFF
Engineers and Land Surveyors
License number
PEN.0012920
Date granted
02/01/2013
Date expires
01/31/2014
Class
Engineers and Land Surveyors
Status
Active
Address
6 NOYES AVE, MATTAPOISETT, MA, 02739
ctlicensing.org
ID 475403
LAST UPDATED 2026-04-03 21:04:50 UTC
LAST UPDATED 2026-04-03 21:04:50 UTC
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