Colorado
Division of Professions and Occupations
John J Czerwiec JR
Plumbers - Plumbing Apprentice
License number
1688
Date granted
05/01/1978
Class
Plumbers - Plumbing Apprentice
Status
Active
Address
4251 WEST 52ND AVE, DENVER, CO, 80212-0212
coloradolicensing.org
ID 28254265
LAST UPDATED 2026-08-02 19:28:43 UTC
LAST UPDATED 2026-08-02 19:28:43 UTC
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