Do HVAC contractors need a license in Maryland?
Yes. In Maryland, an individual must be licensed by the State Board of Heating, Ventilation, Air-Conditioning, and Refrigeration Contractors before providing or assisting in providing HVAC or refrigeration services. The board issues apprentice, journeyman, journeyman restricted, master, master restricted and limited licenses, each with its own experience and examination requirements. This is Md. Code, Bus. Reg. §§ 9A-301, 9A-101, 9A-302.
| What | Maryland |
|---|---|
| HVAC license | State HVACR license (State Board of HVACR Contractors) |
Source
Md. Code, Bus. Reg. §§ 9A-301, 9A-101, 9A-302
Read the statute in the Maryland Code (Maryland General Assembly): mgaleg.maryland.gov.
Checked against the statute on November 13, 2026.
This is a summary of a published statute, not legal advice. Rules change, local ordinances can add to them, and the terms of a specific lease may differ. Check the citation and speak to a lawyer before acting.
How Seayora uses this rule
A contractor on Seayora keeps each license with its issuing state, its expiry date and the last four digits of its number, and the business is warned before one lapses — on the website and both phone apps. A customer finding a pro on Seayora sees whether a license is on file.
Guides on this rule
- Contractor License Requirements by State: Every Trade — Which states require a state license for electricians, plumbers, HVAC, general and home improvement contractors, with the statute for each.
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The same question in other states
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- Arizona
- Arkansas
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- Connecticut
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- District of Columbia
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