Las Vegas requires building permits for renovations involving structural changes, electrical, plumbing, or mechanical modifications. Cosmetic work does not need permits. The city uses the 2024 IBC with Southern Nevada amendments. Online permitting is available.
Under Las Vegas building codes and the adopted International Residential Code, building permits are required for renovations involving structural modifications (wall removal, additions, foundation work), electrical changes (new circuits, panel upgrades, rewiring), plumbing modifications (new fixtures, water heater replacement, gas line work), and HVAC system installation or replacement. Roof replacement requires a permit. Window and door replacements in load-bearing walls require permits. Cosmetic work — interior painting, flooring, cabinet replacement, countertop installation — is exempt. The city adopted the 2024 International Building Code with Southern Nevada amendments, effective January 5, 2026. Las Vegas has specific requirements for energy efficiency in renovations, including insulation and HVAC performance standards suited to the extreme desert climate. Permit applications are submitted through the city's Online Building Permits portal. Plan review typically takes 10 to 15 business days for residential projects. Homeowners may perform work on their own primary residence and pull their own permits. Contractors must be licensed through the Nevada State Contractors Board.
Unpermitted renovation work: code violation with fines starting at $100 and escalating. Retroactive permit required. May complicate home insurance and resale.
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