Iowa
Professional Licensing Bureau
Douglas K Blackburn
Plumbing - Master
License number
11205
Date granted
04/03/2013
Date expires
04/03/2016
Class
Plumbing - Master
Status
Active
iowalicenses.org
ID 24082657
LAST UPDATED 2026-05-11 06:23:09 UTC
LAST UPDATED 2026-05-11 06:23:09 UTC
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