Trade License Application FAQs


Who should I contact with questions regarding first-time applications for trade licenses?

Continental Testing Services, Inc. (CTS) is a private company and testing service hired by the City to process applications, proctor and grade examinations for trade licenses.  Call 800.359.1313 or email ( with any questions regarding first-time applications for these trades. 

Where can I find the licensing application forms, exam schedules, exam study materials other information regarding the application procedure?

Application forms and instructions for these types of trade licenses can be found at the CTS website (

Does Continental Testing Services (CTS) also process renewals for  trade licenses?

CTS Processes renewals for most trade license types.  However, Supervising Electrician, Plumbers Apprentice, Journeyman Plumber, Plumbing Contractor and Mason Contractor Licenses must be renewed online at the city's website (

How do I contact Continental Testing Services?  


How frequently is the list of active licensees updated on the Department of Buildings website?

The list of active license holders for these trade licenses is updated daily on the Department of Buildings website (

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