Plumbing and HVAC rules in Nevada

A plumbing contractor in Nevada holds a C-1 Plumbing and Heating license, subclass C-1d Plumbing, from the State Contractors Board. Cards for individual plumbers are local.^{1, 2, 3}

A heating and cooling contractor in Nevada holds a C-21 Refrigeration and air-conditioning license from the State Contractors Board.¹

Nevada has no statewide plumbing code for private buildings: local governments adopt codes after regional amendments, and the 2024 Uniform Plumbing Code applies to state public works buildings.⁴ Mechanical codes for Nevada's private buildings are adopted locally too, and the 2024 Uniform Mechanical Code applies to state public works buildings.⁴

Nevada has no statewide plumbing or mechanical code for private buildings, so the local building department sets the permit rules.⁴

If your home has a backflow preventer, your water utility can tell you whether it needs testing and who can test it.