Rules and regulations for installation of plumbing; registration of plumbers; application for inspection.
Del. Code tit. 16, § 7906
in effect(a) The Division of Public Health, in order to provide for the health of the citizens of the State, shall adopt and promulgate suitable rules and regulations for the construction, alteration, repair, modification or renovation of water and sewer systems and of building and house drainage systems; shall enforce those rules and regulations; and shall make provisions under this section and Chapter 18 of Title 24 for the punishment of any person who violates or assists in the violation of or refuses to comply with such rules and regulations.
(b) Registration and licensure of plumbers and persons engaged in the practice of plumbing in this State shall be in accordance with Chapter 18 of Title 24.
(c) No license shall be required of a person who installs such person’s own plumbing work, service or equipment in or about such person’s own home that is not for sale or any part for rent or lease, except that such person shall be required to obtain a permit from the Division of Public Health or from the proper plumbing inspection authority. Nothing in this subsection (c) shall be construed to prohibit a person from obtaining free assistance in installing such person’s own plumbing work, service or equipment in such person’s own home that is not for sale or any part for rent or lease.
(d) Property used exclusively for agricultural purposes is excluded from all provisions of this section, except for the necessity to obtain a permit from the Division of Public Health or from the proper plumbing inspection authority.
(e) The Division of Public Health shall issue plumbing permits and shall assess a $100 fee for each permit, except that no permit shall be required or fee assessed for the replacement of an existing fixture, piece of equipment or related piping, including but not limited to hot water heaters and water conditioning systems. All revenue generated shall be retained by the Division of Public Health in order to defray costs associated with the plumbing inspection program.
Source: DE Code (Official Site)URL: https://delcode.delaware.gov/title16/c079/index.htmlFetched: 10/4/2026
Source: DE Code (Official Site)URL: https://delcode.delaware.gov/title16/c079/index.htmlFetched: 6/28/2026