Nevada plumbing license classes, side by side.

C-1 is the plumbing and heating classification, and a full C-1 holder may perform any work its subclassifications allow, from boilers and fire sprinklers to sheet metal and air conditioning. C-1d is the plumbing subclassification: safe water supply, waste and vent, roof drainage, water heating including solar, a permanent gas supply, medical gas, and the water and gas piping from the building edge to the meter. A plumbing shop usually holds C-1d, sometimes with C-1g gas or C-1h water heaters beside it. The regulation is the authority, and it is linked below.

Gas piping appears in two places. The C-1d plumbing scope includes a permanent means to supply gas for residential and industrial purposes, and the C-1g subclass covers pipes and vents from the source of supply of liquefied petroleum and natural gas. Which one you hold is a question for the Board, and we do not answer it for you. What we do is state on the submission that you run gas lines and how much of the work it is, because carriers ask, and the claims look different from a water leak.

The monetary limit is the largest contract you may undertake on one site or subdivision for one client, and the Board sets one on every license after weighing experience and financial responsibility. You can ask the Board to raise it, permanently or for a single project, on the Board’s form with supporting financial documents. The limit does not change what insurance you must carry. It changes what general contractors expect to see, so when it moves, the coverage review should move with it.

Not what you must carry. Nevada requires the license bond for the license and industrial insurance with the first employee, whatever your classification. What the class changes is the work we quote and the questions the underwriter asks. A C-1d shop doing residential service brings occupied homes and service calls. A shop holding the full C-1 with boilers or fire sprinklers brings different questions entirely, and the submission has to say how the revenue splits across the work.

The State Contractors Board’s license search shows every licensed contractor’s classification, subclassifications, monetary limit, status, and bond, and it is the record we read before a quote. General contractors and property managers use the same search when they vet a bid, and the Board’s guidance to the public is to check the classification against the work in the contract. The sources on this page link to the regulation that defines the classes and to the Board’s handbook.

Not on the license alone. Nevada licenses contractors through its own Board, and a contract for Nevada work needs a Nevada license in the right classification with its own monetary limit and bond. Some states have reciprocity on the trade exam, which can shorten the process, but the Nevada license, bond, and industrial insurance are still required. On the insurance side, a policy written for Arizona work usually needs Nevada added as a state where you operate, which is a conversation to have before the first Nevada contract, not after.