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State files updated Oct 27, 2026
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C-1 Plumbing and Heating License (Nevada)

Nevada has 389 active C-1 Plumbing and Heating holders in the state file as of 2026-10-271, the 16th-largest of 28 classes with at least 200 holders. 11 of them expire by 2026-12-26.

Active holders
389
2.0% of active Nevada licenses
Expiring by 2026-12-26
11
2.8% of holders

What does the Nevada Plumbing and Heating license require?

Classification C-1 Plumbing and heating, with subclassifications C-1a boilers, C-1b fire sprinklers, C-1c pipe and duct insulation, C-1d plumbing, C-1e sheet metal, C-1f heating/cooling/circulating air, C-1g gas pipes and vents, C-1h water heaters, C-1i chilled-water piping, C-1j firefighter breathing-air systems, C-1k industrial piping (NAC 624.190). Pool/spa plumbing work also requires a local master/journeyman plumber certificate (NAC 624 A-10 text). No separate state plumber license in NRS/NAC 624.2

Exam

Qualified individual must pass the Business and Law (CMS) exam plus the trade exam for the classification, given by PSI.1

Bond

Every license needs a bond or cash deposit, amount set by the Board between $1,000 and $500,000 based on license type, monetary limit and the applicant's finances.3

All Nevada license requirements

How do you check a C-1 license?

Search by license number or business name on the Nevada license lookup, which reads the same state file.

Sources

  1. NV State Contractors Board active contractor listing (app.nvcontractorsboard.com) (nvcontractorsboard.com, 2026-10-27)
  2. Nevada State Contractors Board: classes (leg.state.nv.us)
  3. Nevada State Contractors Board: bond (leg.state.nv.us)