When You Need a Building Permit in Las Vegas

Before you remodel, find out whether the work needs a permit. In the Las Vegas Valley the answer depends on the type of work and on which building department covers your address. This guide summarizes the City of Las Vegas homeowner guide and the Clark County building code, with the reminder that both say to confirm with your building department before starting.

Key takeaways

  • The City of Las Vegas rule of thumb: adding to the structure, opening walls, changing systems or reconfiguring rooms needs a permit.
  • Painting, cabinets, countertops and floor coverings are generally exempt.
  • Water heaters, new wiring and heating or cooling changes need permits in the city.
Wood-framed house under construction

The City of Las Vegas rule of thumb

The City of Las Vegas guide, When Do I Need a Permit? A Homeowner’s Guide, gives four simple triggers. A permit is required if you add to the structure or add a new structure; if you affect the envelope of the building, which in plain terms means opening up interior or exterior walls; if you work on or add to the mechanical, electrical or plumbing systems beyond routine maintenance; or if you reconfigure a room, garage, patio or balcony into something new, such as converting a garage into living space.

Work that generally needs a permit

  • Adding a room or finishing a garage or attic as living space.
  • Moving, removing or adding walls, or cutting new window and door openings.
  • Installing or altering permanent wiring, adding outlets or light fixtures, or changing the main electrical panel.
  • Installing or replacing a water heater or water softener.
  • Altering piping inside walls, ceilings or beneath floors.
  • Installing or changing any part of a heating or cooling system.
  • Building a patio cover or enclosing a patio.

Work that generally does not

  • Painting, papering, cabinets, countertops, floor coverings and similar finish work.
  • Replacing a sink, toilet or exposed faucet in the same location.
  • Replacing a door or window glazing of the same size and type, without changing the framing.
  • Replacing broken outlets or breakers like for like.
  • Gutters and downspouts.

Each of these exemptions has conditions in the guide. For example, a fixture replacement is exempt only if the concealed piping is not changed, and a door replacement only if it is the same size and type and not part of a fire-rated assembly.

City of Las Vegas and Clark County compared

Type of workCity of Las Vegas guideClark County code
Painting, cabinets, countertops, flooringExemptExempt (22.02.190 G)
Same-size door replacementExempt, with conditionsExempt, with conditions
Same-size window replacementGlazing exempt, with conditionsGlazing and frame exempt, with conditions
Small detached storage shedExempt up to 200 sq ft, no utilitiesExempt up to 200 sq ft, no plumbing or mechanical
New walls, wiring, plumbing, HVACPermit requiredPermit required (22.02.165)

Clark County’s code says anyone who intends to construct, enlarge, alter, repair, move or demolish a building, or to install, alter or replace electrical, gas, mechanical or plumbing systems, must first apply for and obtain the required permits. Its list of exemptions is in section 22.02.190.

Henderson

The City of Henderson explains that erecting, altering, repairing or converting a building or part of it may require one or more permits: building, electrical, mechanical, plumbing or remodel. Henderson accepts applications online through its Development Services Center. See Which Office Issues Your Permit: Las Vegas, Henderson or Clark County.

Tip: When in doubt, call your building department before work begins. The City of Las Vegas notes that starting work without a required permit can lead to investigation fees.

Why permits are worth it

The City of Las Vegas guide explains that permits create a permanent record of the work for insurance and resale, and that inspections help make sure the work meets code. It also warns that unpermitted work found later can require engineering evaluation, removal of wall coverings and replacement at great cost. More in Unpermitted Work: Why It Matters When You Insure or Sell.

Who pulls the permit

When a licensed contractor does the work, the contractor normally obtains the permit. The Nevada State Contractors Board advises homeowners to make sure the contractor obtains it before work starts, that it is posted at the job site, and not to pull it themselves. Write who is responsible for permits into the contract.

Common mistakes

Assuming that “just a remodel” needs no permit is the most common error. Others include replacing a water heater without a permit and treating a garage conversion as simple finish work.

Frequently asked questions

Do I need a permit to replace a toilet?

Not in the City of Las Vegas guide, if it is replaced in the same location without changing concealed piping.

Do I need a permit for a new water heater?

Yes, in the City of Las Vegas, installing or replacing a water heater requires a plumbing permit.

Does my HOA approval replace a permit?

No. HOA approval and a building permit are separate.

Next: Remodel Inspections: What Happens and How to Prepare.