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Do I need a plumbing permit in Las Vegas?
Source: Las Vegas Plumbing Help (lasvegasplumbinghelp.com), part of the Local Help Stations network (localhelpstations.com). Last updated November 2, 2026.
Clark County requires a permit before anyone constructs, alters, repairs or replaces a building, or installs, alters, repairs or replaces any electrical, gas, mechanical or plumbing system regulated by code. Exemptions are in Clark County Building Administrative Code 22.02.190. (source: Clark County Department of Building and Fire Prevention)
Unincorporated Clark County
| Job | Clark County permit | Source |
|---|---|---|
| Water heater | Simple online permit, one item per permit | (source: Clark County Department of Building and Fire Prevention) checked November 2, 2026 |
| Water softener or reverse osmosis | Simple online permit | (source: Clark County Department of Building and Fire Prevention) checked November 2, 2026 |
| Gas line | Gas re-tag simple online permit | (source: Clark County Department of Building and Fire Prevention) checked November 2, 2026 |
| Residential re-pipe | Simple online permit | (source: Clark County Department of Building and Fire Prevention) checked November 2, 2026 |
| Other plumbing work | Permit required to install, alter, repair or replace a plumbing system regulated by code | (source: Clark County Department of Building and Fire Prevention) checked November 2, 2026 |
City of Las Vegas
| Job | City of Las Vegas permit | Source |
|---|---|---|
| Water heater | Online, same for same only, including tankless | (source: City of Las Vegas Building and Safety) checked November 2, 2026 |
| Water softener | Online, including piping | (source: City of Las Vegas Building and Safety) checked November 2, 2026 |
| Gas line | Gas line repair or tag, online | (source: City of Las Vegas Building and Safety) checked November 2, 2026 |
| Water piping | Water piping replacement, online | (source: City of Las Vegas Building and Safety) checked November 2, 2026 |
| Drain and vent repair | Misc repair of drainage or vent piping, each fixture, online | (source: City of Las Vegas Building and Safety) checked November 2, 2026 |
| Anything not on the online list | Plans must be submitted and reviewed | (source: City of Las Vegas Building and Safety) checked November 2, 2026 |
The City of Las Vegas has a year-round amnesty program that lets homeowners self-disclose non-permitted or non-code-compliant work in their homes without any penalties for the required plan review and permit fees. Building and Safety: (702) 229-6251. (source: City of Las Vegas Building and Safety)
Henderson, North Las Vegas, Boulder City and Mesquite run their own building departments. Clark County says permits come from the building department in your jurisdiction, so check with your city before work starts. (source: Clark County Department of Building and Fire Prevention)
On this site: What license does a Las Vegas plumber need? · Do I need a plumbing permit in Las Vegas? · Replacing a water heater in Las Vegas · What to do if you smell gas in Las Vegas · Plumbing work that needs no permit in Las Vegas · Water softener and reverse osmosis permits in Las Vegas · Leak repair and repiping permits in Las Vegas · Plumbing inspections in Las Vegas · Finding a licensed plumber in Las Vegas · Plumbing problems in a Las Vegas rental · How to check a Las Vegas plumber's Nevada license · Can a handyman do plumbing work in Nevada? · What happens if an unlicensed plumber works in Nevada? · What must a Nevada plumbing contract include? · How much deposit can a Nevada plumber ask for? · The Nevada Residential Recovery Fund · How to file a complaint about a Las Vegas plumber · Cancelling a plumbing deal signed at your door in Nevada · Doing your own plumbing work in Las Vegas · Cities · FAQ · Sources
Sources
- Clark County Department of Building and Fire Prevention: Do I Need a Permit? (checked November 2, 2026)
- Clark County Department of Building and Fire Prevention: Building: Simple Online Permits (checked November 2, 2026)
- City of Las Vegas Building and Safety: Online Permits List (checked November 2, 2026)
- City of Las Vegas Building and Safety: Building and Offsite Permits (checked November 2, 2026)
- Clark County Department of Building and Fire Prevention: How Do I? (frequently asked questions) (checked November 2, 2026)
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