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Maryland State Licensing Requirements for HVAC contractors

License Title: Maryland Department of Labor State Board of Heating, Ventilation, Air Conditioning, and Refrigeration (HVACR) Contractors

Trade/Profession: Heating & A/C

Licensing Agency: https://www.dllr.state.md.us/license/hvacr/hvacrlic.shtml

Online search page: https://www.dllr.state.md.us/cgi-bin/ElectronicLicensing/OP_search/OP_search.cgi?calling_app=HVAC::HVAC_qselect

Agency phone: 410-230-6231

The license information presented here is based on Angi's own ongoing research, and may be incomplete or outdated. License regulations are complex, and requirements can vary both state-by-state and based on project scope. We encourage you to check with the regulatory agencies in your area for their most up-to-date information and to confirm if licensing is required for your specific project.