License holder summary

John David Siefken is a Architects, Engineers And Land Surveyors - Professional Engineer licensed to practice in Colorado. The address on file for John David Siefken is Kdw, Ps, 10202 5th Ave. Ne-Suite 102, Seattle, WA, 98125-8125. This licensed professional license is current. The license was granted 06/30/1993 and expired on 10/31/2015.

Colorado

Division of Professions and Occupations

John David Siefken
Architects, Engineers And Land Surveyors - Professional Engineer
License number
29157
Date granted
06/30/1993
Date expires
10/31/2015
Class
Architects, Engineers And Land Surveyors - Professional Engineer
Status
Active
Address
Kdw, Ps, 10202 5th Ave. Ne-Suite 102, Seattle, WA, 98125-8125
coloradolicensing.org
ID 27081627
LAST UPDATED 2026-06-07 12:05:41 UTC

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