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Application Process for Obtaining a Mechanical Permit

Any individual licensed by the Maryland State Board of Heating, Ventilation, Air-Conditioning and Refrigeration Contractors may apply either in person or by mail for a Mechanical Permit at the Department of Permitting Services, 255 Rockville Pike, 2nd Floor, Rockville, MD 20850. The application(s) will be checked for the following: Completeness; Valid and current business and master's license numbers; Up-to-date insurance certificate; Outstanding Notices of Violation for the premises (outstanding fines will be collected with the permit fee); Building permit (if required for the work being done), issued prior to the Mechanical Permit application; Separate applications for NEW and REPLACEMENT equipment; Original Signature of HVAC master. If all of these conditions are met: A permit number is assigned; Fees are calculated and collected; A receipt is issued; The permit is issued while the customer waits.
Find more information from the following link(s):
To speak with a Customer Service Representative, please call 311 during business hours.