Plumbing
Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners
Our Story
The Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners protects the public from unsafe practices and those that reduce competition or fix prices. The Board maintains standards of professional competence, develops competency standards, promulgates rules, and adjudicates complaints, imposing disciplinary sanctions when necessary. They issue master plumber, master HVACR, and master restricted HVACR licenses.
Our Specialties
Licensing (Master Plumber, Master HVACR, Master Restricted HVACR)License RenewalComplaint AdjudicationDisciplinary Actions
Services
What we bring to every project
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Service Area
Based in Dover, DE
Serves within 30 minutes drive from Dover
Common Questions
The Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners issues master plumber, master HVACR, and master restricted HVACR licenses to ensure professional competency. Homeowners can verify a contractor's license status online through the DELPROS system or by contacting the Board at (302) 744-4500 or emailing customerservice.dpr@delaware.gov. Always check for a valid license before hiring to protect against unsafe practices and ensure compliance with 24 Del. C., Chapter 18.
The Board issues master plumber licenses for plumbing services, master HVACR licenses for full heating, ventilation, air conditioning, and refrigeration work, and master restricted HVACR licenses limited to specialties like air conditioning. These licenses maintain standards of professional competence and service delivery as required by the Board's statutory authority in 24 Del. C., Chapter 18. Restricted licenses ensure practitioners only perform work within their approved specialty to protect public safety.
The Board meets the second Tuesday of each month at 8:30 a.m. in the Cannon Building, 861 Silver Lake Boulevard, Dover, DE 19904, except in June and December, with all meetings open to the public. Applications for licensure, including those for master plumber or HVACR, are reviewed only if complete, including all documentation submitted via DELPROS or mail. Check the State of Delaware public meeting calendar for the exact schedule.
The Board adjudicates complaints against licensed practitioners, such as master plumbers or HVACR specialists, and may impose disciplinary sanctions for unsafe practices or violations of rules and regulations. Submit your complaint through the Division of Professional Regulation's online system or by contacting the Board at (302) 744-4500 or customerservice.dpr@delaware.gov. Provide detailed information about the issue to assist in the investigation process under the Board's authority.
Regulation 5.0 outlines continuing education requirements for license renewal, with updates effective for the 2026 renewal cycle to ensure ongoing professional competence in areas like plumbing installations and HVACR systems. Licensees must complete the specified hours as promulgated by the Board to maintain their master plumber or HVACR licenses. Details are available in the full regulations at https://regulations.delaware.gov/AdminCode/title24/1800.shtml.
The Board serves the entire state of Delaware, with its office located at Cannon Building, Suite 203, 861 Silver Lake Blvd., Dover, DE 19904. Contact them by phone at (302) 744-4500, fax at (302) 739-2711, or email at customerservice.dpr@delaware.gov for inquiries about licensing or regulations. If unable to reach by phone, submit inquiries via email for assistance with plumbing or HVACR professional services.