Licensing Requirements
Baltimore City Code, Building Codes, Part II, Section 2803
in effectSection 2803. Licensing Requirements
2803.1 Licenses and supervision required.
No person may provide HVACR services or otherwise engage in any HVACR work unless the person:
1. is licensed to do so in accordance with State law, and
2. is insured or working under the direct supervision of an insured, licensed HVACR contractor.
Source: City of Baltimore Department of Legislative Reference, City of Baltimore Law Library (codes.baltimorecity.gov; Open Law Library bulk XML)URL: https://codes.baltimorecity.gov/us/md/cities/baltimore/code/building-codes/II/2803Fetched: 10/25/2026