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Plumbing Permit and Inspection Program

The mission of the plumbing program is to carry out and enforce the Delaware plumbing code in conformance with basic plumbing principles and regulatory requirements.

The program accomplishes its mission by providing for the adoption and promulgation of suitable rules and regulations for the construction of plumbing facilities where mandated. The program provides a mechanism for the issuance of permits to Delaware licensed plumbers and homeowners whenever plumbing takes place, enforces plumbing codes and regulations, handing down penalties when appropriate.

Attention Plumbers
Plumbing Program Relocation
April 1, 2013

Beginning April 1, 2013, the Kent County Plumbing Permit and Inspection Program will be moving to the Edgehill Shopping Center.

Permits and plumbing program staff consultations are available at the new location.

Questions about the move may be directed to Plumbing Program staff.

This program covers plumbing installations statewide except where there are local jurisdictions. Contractors and homeowners working on plumbing projects in jurisdictions with their own plumbing programs should contact the appropriate local office or county office regarding permit information.

General Information

  • House Bill 72 provides for the Division of Public Health to charge a $100 fee for plumbing permits. The fees are retained by the Plumbing Permit and Inspection Program, and will be used to provide program staff and infrastructure to protect public health. All permit fees are payable by check or money order only.
  • The Delaware Public Health Plumbing Permit and Inspection Program utilizes the 2012 International Plumbing Code as its regulations along with the Amendments below. The 2012 International Plumbing Code is available from the IPC via their website or by phone - 1-888-422-7233.
  • The Delaware Division of Public Health Plumbing Permit and Inspection Program code amendments are available in the Delaware Plumbing Code.
  • The Delaware Division of Public Health Plumbing Code is effective 6-11-2012.
  • The Plumbing Permit and Inspection Program utilizes the 2012 International Plumbing Code with Delaware Specific Amendments. The amendments are available at the Kent and Sussex County permit offices.
  • Permits may be obtained from Plumbing Permit and Inspection Program offices in Kent and Sussex counties, depending on project location. Licensed plumbers and homeowners may apply for permits in person at the Plumbing Permit and Inspection Office. Permit applications for commercial and residential projects, whether done by the homeowner or a contractor, are available below.
  • Plumbers must have an approved permit prior to starting work or receiving an inspection.
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Applications and Forms

Residential Permit
Application - Homeowner


Residential Permit
Application - Contractor


Commercial Permit


Delaware Plumbing Code

Test Certification


Freedom of Information
Act (FOIA) Request

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Last Updated: Monday January 05 2015
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