License holder summary

Dennis C Ritchie is a Plumbers - Journeyman Plumber licensed to practice in Colorado. The address on file for Dennis C Ritchie is 1437 CARLTON DRIVE, CONCORD, CA, 94518-4518. This licensed professional license is not current. The license was granted 10/10/1985 and expired on 08/31/1989.

Colorado

Division of Professions and Occupations

Dennis C Ritchie
Plumbers - Journeyman Plumber
License number
280006
Date granted
10/10/1985
Date expires
08/31/1989
Class
Plumbers - Journeyman Plumber
Status
Expired
Address
1437 CARLTON DRIVE, CONCORD, CA, 94518-4518
coloradolicensing.org
ID 28274603
LAST UPDATED 2026-05-12 01:51:05 UTC

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