State offices and all DLLR physical locations will be closed to the public November 26 through November 28, 2014. However, Unemployment Insurance telephone and Web operations WILL be available on Wednesday, November 26.

DLLR's Division of Occupational and Professional Licensing


News and Information - Maryland Board of Heating, Ventilation, Air Conditioning and Refrigeration Contractors


COMAR 09.15.05- Compliance with International Mechanical Code
On May 8th, 2013, the State Board of Heating Ventilation Air-Conditioning and Refrigeration Contractors adopted amendments to Regulations .01 - .03 under COMAR 09.15.05 Compliance with International Mechanical Code. This action, which was proposed for adoption in 40:3 Md. R. 240-241, has been adopted as proposed. View the regulations.

Meeting Minutes