HVAC Permit in Clark County, Nevada
Permit required
Yes, a permit is required
For all HVAC installation or equipment replacement
Issued byClark County Department of Building and Fire Prevention
By Mario Bailey, verified against official sources
- Permit fee
- $54
- from the published schedule
Quick answer
A mechanical permit is required for HVAC work in Clark County. Standard residential replacements such as A/C and furnace units under 5 tons qualify as Simple Online Permits obtainable through the Citizen Access Portal without plan review. Each appliance replacement requires a separate permit. The county follows the 2024 International Mechanical Code adopted January 11, 2026.
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When a permit is usually needed
For all HVAC installation or equipment replacement
What an HVAC permit costs in Clark County
How to apply in Clark County
In Clark County, a residential HVAC (mechanical) permit application must identify the covered equipment and scope of work, since installing, altering, or replacing a heating or cooling system is regulated work that cannot start until the application is submitted and the permit issued. The equipment itself must be picked by a real sizing calculation rather than a rule of thumb.
What most HVAC permit applications include:
- For Clark County, a mechanical permit is required before anyone may install, alter, repair, remove, convert, or replace a heating, ventilating, or air conditioning system regulated by the code, and the work may not begin until the application is submitted and the permit is issued (IRC R105.1).
- For Clark County, the application identifies the specific equipment being installed, such as a furnace, heat pump, or air conditioner, since the unit must be installed according to its listing and the manufacturer's installation instructions (IRC M1401.1).
- For Clark County, the proposed equipment location must leave the clearances needed to clean coils and replace filters, blowers, motors, and controls after installation (IRC M1401.2).
- For Clark County, the application carries the equipment sizing basis: ACCA Manual J building loads and Manual S equipment selection, or another approved sizing method, not a rule of thumb (IRC M1401.3).
- For a split system, the work covered by the permit includes refrigerant suction line insulation, since the piping is inspected against that standard once installed (IRC M1411.6).
General submittal guidance from International Residential Code (IRC), 2021 edition, Chapter 1 (Permits) and Chapter 14 (Heating and Cooling Equipment and Appliances). Source. Clark County Department of Building and Fire Prevention sets the exact checklist for Clark County.
Where to apply in Clark County:
Clark County Department of Building and Fire Prevention
- 4701 West Russell Road, Las Vegas, NV 89118
- Phone: (702) 455-3000
- Email: pacenter@clarkcountynv.gov
HVAC Permit in Clark County compared with nearby Nevada localities
| Locality | Permit needed? | Threshold | What each Nevada schedule says | Verified |
|---|---|---|---|---|
| Clark County | Permit required | Not specified | $54 permit issuance fee under Table 3-C, with flat online simple permit fees of $61.88... | |
| Henderson | Permit required | Not specified | $360 to install or relocate a furnace up to 100,000 BTU/hr including ducts, $227 per... |
Inspections and closing out your permit
In Clark County, mechanical work gets a rough in inspection after the ductwork, refrigerant lines, and gas piping are in but before they are covered or concealed, followed by a final inspection that confirms the equipment operates correctly and its clearances, combustion air, and condensate disposal are in place. A straight equipment changeout with no new ductwork commonly gets a single final inspection instead of a separate rough in trip.
- In Clark County: rough inspection of the mechanical and gas systems must be made before the work is covered or concealed, before fixtures or appliances are set or installed, and before the framing inspection (IRC R109.1.2).
- In Clark County: where a cooling coil is added to an existing warm air furnace, the rough in confirms the coil is not installed upstream of the heat exchanger unless the furnace is listed for it, and that the blower can handle the added static pressure (IRC M1411.2).
- In Clark County: the rough in and final both confirm the appliance access opening and working space are large enough to service the unit (IRC M1305.1).
- In Clark County: at final inspection, the inspector verifies the equipment has adequate combustion air, with openings kept clear for the distance the code requires (IRC M1402.3).
- In Clark County: final inspection also checks that the condensate line drains to an approved point of disposal with the required slope and does not create a nuisance (IRC M1411.3).
- In Clark County: for a straight equipment changeout with no new ductwork, many permit offices require only a single final inspection, while a new installation still gets a rough in inspection before the final (common local inspection practice).
Schedule each inspection in advance and pass the final before you use the work or close the permit. Request inspections through the Clark County permit portal or by phone at (702) 455-3000.
Inspection sequence from International Residential Code (IRC), 2021 edition, Section R109 (Required Inspections) and Chapter 14 (Heating and Cooling Equipment and Appliances). Source. An open permit left un-inspected can surface later in a title search or home sale.
Your HVAC Permit checklist for Clark County
- Confirm the requirement. Yes, a permit is required. Usually needed: For all HVAC installation or equipment replacement.
- Budget the fee. $54 permit issuance fee under Table 3-C, with flat online simple permit fees of $61.88 for an AC or furnace replacement up to $83.34 for a residential condenser combo; larger installs bill via Table 3-A valuation, per the county Building Administrative Code Ch. 22.02. Official fee schedule.
- Apply. In Clark County, a residential HVAC (mechanical) permit application must identify the covered equipment and scope of work, since installing, altering, or replacing a heating or cooling system is regulated work that cannot start until the application is submitted and the permit issued. The equipment itself must be picked by a real sizing calculation rather than a rule of thumb. Start at the Clark County permit portal.
- Keep the office details handy. Clark County Department of Building and Fire Prevention. Phone: (702) 455-3000. Address: 4701 West Russell Road, Las Vegas, NV 89118.
- Plan for inspections. In Clark County, mechanical work gets a rough in inspection after the ductwork, refrigerant lines, and gas piping are in but before they are covered or concealed, followed by a final inspection that confirms the equipment operates correctly and its clearances, combustion air, and condensate disposal are in place. A straight equipment changeout with no new ductwork commonly gets a single final inspection instead of a separate rough in trip.
Compiled from the official sources on this page. Last checked .
Permitting activity in Clark County
In 2024, Clark County authorized permits for 14,754 new residential housing units (12,277 single-family, 2,477 in multi-family buildings), valued at $3.7B, up from 13,073 the year before. That works out to about 6.2 permits per 1,000 residents.
Source: U.S. Census Bureau, Building Permits Survey, 2024 annual data · population 2,398,871.
About Clark County
Clark County has about 935,960 housing units. The median home is valued at $400,800, against a median household income of $73,845. About 57% of homes are owner-occupied, and the typical home was built around 1997.
Source: U.S. Census Bureau, American Community Survey 2023 5-year.
Frequently asked questions
- Do you need an HVAC permit in Clark County?
- A mechanical permit is required for HVAC work in Clark County. Standard residential replacements such as A/C and furnace units under 5 tons qualify as Simple Online Permits obtainable through the Citizen Access Portal without plan review. Each appliance replacement requires a separate permit. The county follows the 2024 International Mechanical Code adopted January 11, 2026. Always confirm with the Clark County Department of Building and Fire Prevention before starting.
- How much does an HVAC permit cost in Clark County?
- $54 permit issuance fee under Table 3-C, with flat online simple permit fees of $61.88 for an AC or furnace replacement up to $83.34 for a residential condenser combo; larger installs bill via Table 3-A valuation, per the county Building Administrative Code Ch. 22.02. See the official fee schedule for current amounts.
- Where do you apply for an HVAC permit in Clark County?
- You can apply through the Clark County permit portal or contact the Clark County Department of Building and Fire Prevention directly. The links are listed on this page.
- Can a homeowner pull an HVAC permit themselves in Clark County?
- Under Nevada law (NRS 624.031(5), 624.031(6); NRS 278.610): Nevada licenses general contractors and the specialty trades together under one Contractors Board license in NRS chapter 624, and NRS 624.031(5) exempts an owner of property who is building or improving a residential structure on the property for the owner's own occupancy and not intended for sale or lease. Because Nevada does not license electricians and plumbers under separate chapters the way some states do, this same owner-occupant exemption also covers trade work done on the project, as long as it is for the owner's own home rather than resale. Selling or leasing the newly built structure, or even just offering it for sale or lease, within 1 year after completion creates a rebuttable presumption that the owner never intended to occupy it and built it to sell instead, which can defeat the exemption. An owner who wants to use the exemption must apply to the Contractors Board, which sets the requirements for granting it by regulation. The exemption only reaches the state contractor license requirement; it does not excuse the owner from the local building permit itself, which NRS 278.610 still requires from whichever city or county building official has jurisdiction. A separate, unrelated exemption in NRS 624.031(6) lets anyone, owner or not, do minor repair or maintenance work worth less than $1,000 without a license, unless a building permit is required for the work or the work is plumbing, electrical, refrigeration, heating, or air conditioning work. Confirm how Clark County applies this before you apply.
From the Library
What else needs a permit in Clark County
Every other permit type we have verified for this jurisdiction, with the rule that applies here.
| Project | Permit needed? | Threshold | Typical fee |
|---|---|---|---|
| Deck Permit | Permit required | Not specified | Billed as a valuation-based building permit under Table 3-A starting at $54 for the... |
| Electrical Permit | Permit required | Not specified | $54 permit issuance fee under Table 3-B, with flat online simple permit fees of $61.88... |
| Fence Permit | It depends | fences over 6 feet in height require a building permit; all fences require a Fence/Wall Permit (Form BPA-005) regardless of height | Type A fencing 6 feet or under that is not a pool barrier needs no permit |
| Patio Permit | Permit required | Not specified | Patio covers bill as a valuation-based building permit under Table 3-A starting at $54... |
| Plumbing Permit | Permit required | Not specified | $54 permit issuance fee under Table 3-D, with flat online simple permit fees of $56.57... |
| Pool Permit | Permit required | Not specified | Pool and spa permits add a flat $110 equipment and plumbing fee on top of the estimated... |
| Roof Replacement Permit | Permit required | Not specified | Replacing no more than 64 sq ft of non-tile roof sheathing with no structural repairs... |
| Shed Permit | It depends | sheds over 200 sq ft require a building permit; storage sheds 200 sq ft or under may be exempt under Building Administrative Code Section 22.02.190 | A detached storage shed of 200 sq ft or less with no mechanical or plumbing needs no... |
| Solar Permit | Permit required | Not specified | No dedicated solar fee table |
HVAC Permit in other Nevada localities
Everything above, sourced
Code references
National and state model-code sections the general guidance on this page is drawn from. They are not Clark County documents; the office above sets the local rules.
How this HVAC permit page for Clark County was verified. 2 official sources: clarkcountynv.gov, clarkcountynv.gov; fee schedule: official document. Last checked by Mario Bailey, not confirmed with Clark County Department of Building and Fire Prevention. Rules change; confirm before you build. How we verify.
Last checked: Report an error on this page