WC

William J Callahan

Denver, CO Architect
Verified Active
Verify this license on the Colorado State Board of Licensure for Architects, Professional Engineers, and Professional Land Surveyors board

Professional stamp

408969 WILLIAM J CALLAHAN SPECIMEN — NOT VALID FOR USESPECIMEN — NOT VALID FOR USE

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About

William J Callahan is a licensed Architect in Colorado. The credential is registered under license number 408969 and is currently active. It has been on record since 2025. Licensure is issued and verifiable through the Colorado State Board of Licensure for Architects, Professional Engineers, and Professional Land Surveyors.

License Verification

License # 408969
Status Active
State CO
Expires Oct 31, 2027
Board Colorado State Board of Licensure for Architects, Professional Engineers, and Professional Land Surveyors
Verify at Licensing Board