Minnesota
Department of Labor and Industry
HIIVALA, JOHN D
Plumbing - Restricted Master Plumber
License number
MR057212
Date granted
09/27/2007
Date expires
12/31/2016
Class
Plumbing - Restricted Master Plumber
Status
Issued
Address
5128 MARTIN RD, DULUTH , MN 55811
mnlicensing.org
ID 22685257
LAST UPDATED 2026-05-20 09:29:16 UTC
LAST UPDATED 2026-05-20 09:29:16 UTC
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