STATE LICENSE
RequiredNevada State Contractors Board (NSCB)
Classification C-21 covers refrigeration and air-conditioning: C-21a refrigeration, C-21b air-conditioning (installation, repair, service and maintenance of equipment and ductwork), C-21c sheet metal, C-21d maintenance (repair and replacement of parts of existing systems, not complete condensing units) and C-21g industrial piping. Heating and air circulation can also be licensed under C-1f.
NRS 624.031(6)(b) excludes refrigeration, heating and air-conditioning work from the small-job exemption, and a general building contractor may not self-perform refrigeration and air-conditioning (NRS 624.215(3)). Technicians handling ozone-depleting or substitute refrigerants also need federal EPA Section 608 certification.
The state sets the license floor; the county or city permit office controls filing, inspections, and local rules wherever the job site sits.
Licensing is exclusively state — the NSCB issues every contractor classification under NRS 624, and no city or county license substitutes for it. Cities and counties issue building permits and run inspections; whenever a permit is required, the under-$1,000 handyman exemption no longer applies (NRS 624.031(6)(a)). Local business licensing is set by each jurisdiction.
The local offices section below names the exact permit desk for every Nevada county on file.
Each row names the issuing authority, cost, timeline, citation, and status behind the requirement — verified against the official source.
Published fees from the issuing authorities, as of October 2026. Local permit fees vary by project and jurisdiction — the basis is stated where a flat number does not exist.
C-21d lets a service company repair and replace components of existing systems — but not swap complete condensing units.
Refrigeration, heating and air-conditioning work is excluded from the $1,000 handyman exemption by statute.
Every Nevada license carries a monetary limit — the largest contract you may take on one site for one client — set from your financial statement. Bidding over it voids the bid; one-project increases must be approved before you bid.
A practical sequence for a new HVAC contractor in Nevada. Actual agency processing times are noted in the ledger above.
Each item names the issuing authority, cycle, and citation.
Statutory consequences with their citations — not estimates, not “commonly cited” guesses.
Acting as a contractor or bidding without an active license; penalties escalate with each offense, and the maximum fine may be enhanced by up to 10% of the contract value if work began or money was received.
In addition to prosecution, the Board may fine each violation of the license requirement or unlawful advertising.
A bid or contract made without a license is void from the start, and an unlicensed contractor cannot sue to collect payment.
Inside city limits, the city office listed here issues the permit; the county office serves unincorporated areas. Every office links to its official page.
Every fact in this file was checked against these official sources on October 2026.
Pending verification: Whether the local building department where you work (e.g., Clark County, City of Las Vegas, Washoe County) requires individual journeyman or master certification cards for this trade — NSCB licenses the business, not individual tradespeople · Current PSI exam fees for the Business and Law (CMS) and trade exams (set by the testing vendor; not published in NAC 624) · Whether the Board is currently collecting the full statutory Recovery Fund assessment or a reduced amount under NRS 624.470(3) (the Board FAQ lists the full $200 / $500 / $1,000 schedule) · The NSCB General Requirements FAQ still lists older unlicensed-contracting fines (first offense 'not more than $1,000'; second $2,000–$4,000; third $5,000–$10,000). NRS 624.750(2) as amended in 2025 sets $1,000–$4,000, $4,000–$10,000 and $10,000–$20,000 — the statute is used here
General information, not legal advice. Always confirm requirements, deadlines, and forms with the issuing authority before filing or contracting.
Store licenses, permits, policies, and renewal dates in one place.