Mechanical / HVAC Permit in Unincorporated Clark County, Nevada
Required for heating, ventilation, air conditioning, and mechanical system installations in unincorporated Clark County. Simple online permits are available for single residential A/C and furnace replacements without plan review. Clark County uses the Uniform Mechanical Code (UMC), not the IMC.
Verified 2026-06-30 · Source
When you need this permit
- Installation or replacement of any HVAC equipment: furnaces, air conditioners, heat pumps, condensers
- A/C or furnace replacement (simple online permit available for residential, one appliance per permit)
- Multiple appliance replacements require a sub-trade permit, not a simple online permit
- Mechanical work on manufactured homes permitted by Nevada State Manufactured Housing Division
Required documents
- Req
Mechanical Permit Application
Available via Citizen Access Portal for simple online permits or Application Forms page
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Permit Issuance Fee (base fee for all mechanical permits) | $54.00 | Table 3-C, Clark County Code §22.02.400 (Ord. No. 4663, 2019; amended Ord. No. 4917, 2022) |
| Simple Online Permit — Residential A/C or Furnace Replacement | $61.88 | Table 3-C — Simple Online Permit rate for A/C Furnace Replacement (residential) |
| Simple Online Permit — Furnace Replacement < 100K BTU | $62.28 | Table 3-C — Simple Online Permit rate |
| Simple Online Permit — Furnace Replacement > 100K BTU | $63.81 | Table 3-C — Simple Online Permit rate |
| Simple Online Permit — Residential Condenser Combo | $83.34 | Table 3-C — Simple Online Permit rate |
| Non-simple mechanical projects (not specified in Table 3-C) | Varies — valuation-based per Table 3-A | Apply total value of scope to Table 3-A. |
| Re-inspection Fee | $110.00 each | Table 3-I, Clark County Code §22.02.430 |
Review timeline
~1–14 business days
Typical estimate — confirm current times with the Unincorporated Clark County building department
Inspection process
- 1
Mechanical Rough-In
Ductwork and equipment rough-in before wall cover — clearances and support verified per UMC
- 2
Final
Equipment operational, combustion air verified, refrigerant charge complete, thermostat functional
Tips
- Clark County uses the Uniform Mechanical Code (UMC), not the IMC — this is standard for all Southern Nevada (SNBO) jurisdictions.
- A/C and furnace replacements are the most common simple online permits — issued immediately, no plan review required.
- If replacing more than one appliance at the same property, you need a separate permit for each appliance (or a sub-trade permit for commercial).
- Video inspections are available for A/C changeouts.
- Saturday inspections available for residential HVAC changeouts — call (702) 455-8040 by 2 p.m. Friday.
Frequently asked questions
- Do I need a permit for an A/C replacement in Clark County?
- Yes. A/C and furnace replacements require a Mechanical Simple Online Permit via the Citizen Access Portal. The fee is $61.88 for a standard A/C or furnace replacement, or $83.34 for a condenser combo, per Table 3-C. Permits are issued immediately without plan review.
Sources & verification
Verified against official sources. Last reviewed 2026-06-30.
- Clark County Building & Fire Prevention Department — official building department
- Clark County Building Simple Online Permits
- Clark County Code §22.02.400 — Table 3-C Mechanical Permit Fees (Municode)
- SNBO Current Adopted Codes — UMC confirmed
Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Unincorporated Clark County building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
Other permits in Unincorporated Clark County
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