How to be a plumber in Delaware.
If you want to know how to be a plumber in Delaware the following is Delaware’s licensing information for professional licensed plumbers.
If you hold a current license in another state, U.S. territory or the District of Columbia, you may apply by Reciprocity. If you do not hold a current license in another state, U.S. territory or the District of Columbia, then you will have to apply by Examination. Whether you are applying by Examination or Reciprocity will determine the specific documents you must submit with your application for licensure in Delware.
According to Delaware state law plumbing services are defined as:
“The design, installation, construction, replacement, service, repair, alteration, or modification of the pipes, fixtures, and other apparatus used for bringing the water supply into a building and removing liquid and water-carried wastes from a building. Plumbing services also includes the installation and connection of gas piping.”
Standard requirements for All Applicants: The requirements listed below apply to both Reciprocity and Examination applications.
- Submit a completed, signed and notarized Application for Plumber or HVACR Licensure.
- Enclose the non-refundable processing fee by check or money order made payable to “State of Delaware.
- If you have ever held an individual Master Plumber, Master HVACR, or Master HVACR Restricted license in another state, U.S. territory or District of Columbia, arrange for the Delaware Board office to receive a Verification of Licensure (included in this packet) from each jurisdiction, sent directly from the Board office in the other jurisdiction(s).
- If you have never been issued a U.S. Social Security Number (SSN), submit a Request for Exemption from Social Security Number Requirement .
The Delaware Division of Professional Regulation, Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners issues licenses for:
- Journeyman Plumbers
- Master Plumbers
Licensure by Examination
Journeyman Plumbers – In order to obtain a Journeyman Plumbers license in Delaware you must:
- Have performed plumbing services for at least 7 years under the supervision of a licensed Master Plumber.
- The Board will review the documentation of your experience.
- If approved, the Board office will notify you that you may take the Apprenticeship By-Pass Exam, a state-approved series of tests offered by Delaware apprenticeship schools.
- When you receive the notice, call one of these schools to schedule your test date:
- New Castle County – New Castle County VoTech (302) 683-3643
- Kent County – PolyTech H.S. (302) 697-4545
- Sussex County – Sussex Tech, Georgetown (302) 856-9035
- When you pass the By-Pass Exam (score of 70% or higher), send the official copy of the exam results to the Board office.
- Submit a complete and notarized application and non-refundable application fee made payable to “State of Delaware.”
Master Plumbers – In order to obtain a Master Plumbers license in Delaware you must meet the following criteria:
- Applicants with a “Journeyman Certificate” issued by an approved plumbing apprenticeship program must submit a copy of the certificate and use the verification of employment form to verify two years of supervised work experience gained after receiving the certificate.
- A “Journeyman Certificate” is issued by a federally-approved plumbing/HVACR apprenticeship program such as the Delaware Department of Labor.
- To prove your experience, arrange for your supervisor(s) to complete the Verification of Employment included in the application packet. If you cannot obtain the required form from the supervisor, you may substitute tax form W-2 or an affidavit of the employer or officer of the employing company. Acceptance of proof of experience is at the discretion of the Board.
- When the Board approves you to sit for the master exam, the Board office will send you a candidate information packet. For more information about the Master exam.
The Master Plumber exam is conducted at Pro-metric Testing centers and are given once each calendar quarter.
Master Plumbers Exam Subjects:
Subject – % of Questions
General knowledge – 16%
General regulations – %18
Plumbing fixtures – 10%
Water supply systems – 14%
Drainage, waste and sanitary vents – 14%
Indirect waste – 3%
Specialty plumbing – 4%
Roof drain piping – 3%
Isometric analysis – 20%
You must obtain a minimum score of 70% to pass the exam. After you pass, submit a copy of the examination results showing the passing score to the Board office.
Re-Taking the Exam
If you fail the exam and wish to re-take it, contact the Board office to request another registration form. You may re-take the examination two additional times at the next regularly scheduled administrations, without further Board approval.
If you fail to earn a passing score after taking the exam a total of three times, you must wait a year from the date you last took the exam and reapply to the Board for permission to re-take the exam.
Additional Requirements for Reciprocity Applications
The following requirements apply to applications by Reciprocity in addition to the requirements in the Requirements for All Applicants section above.
- If none of the states where you hold a current license has licensure standards that are “substantially similar” to those of Delaware, proof of experience is required.
- If you hold a current Plumber license in Connecticut or Maryland then the licensure standards are considered substantially similar and you do not need to submit any proof of experience.
- If you hold a current Plumber license in Michigan, New Hampshire, New Jersey, North Carolina, Rhode Island, or Virginia then the licensure standards are not considered substantially similar and you must submit proof of your experience under the supervision of a master licensee for a minimum of seven years after licensure.
- If you hold a current Plumber license in any state not listed above, a US Territory or the Dictrict of Columbia then the standards may be evaluated by the Board and you must submit a copy of the other jurisdictions law regulation for evaluation.
Delaware Division of Professional Regulation
Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners
861 Silver Lake Boulevard
Canon Building, Suite 203
Dover, DE 19904
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