DLLR's Division of Occupational and Professional Licensing

Examination Services
PSI Examination Services provides examination services for the Board of Plumbing

Examination Dates
Examination Dates: Examinations for Journey and Master plumbing licenses are given at least weekly at PSI's computerized testing centers which are located in Baltimore, College Park, Salisbury and Hagerstown. To apply to take either examination contact:

PSI Examination Services
100 West Broadway, Suite 1100
Glendale, CA 91210-1202
1-800-733-9267

Return to the Division of Occupational and Professional Licensing home page

Questions or comments regarding the Board of Plumbing may be directed to plumbing@dllr.state.md.us.
Questions or comments regarding the Division of Occupational and Professional Licensing may be directed to op@dllr.state.md.us.
Questions or comments regarding the DLLR website may be directed to webmaster@dllr.state.md.us.