Nevada building code

Codes in force in Nevada

Each code family with the edition and the date it took effect, as the adopting agency or statute states them.

Scope, amendments and transition rules

Energy code, residential

Scope

Statewide minimum; local governments may go further¹

Applies to

Governor's Office of Energy statewide adoption, followed by local municipalities¹

Local amendments allowed?

Yes¹

Amendments

2024 IECC revisions effective March 12, 2025⁵

Energy code, commercial

Scope

Statewide minimum; local governments may go further¹

Applies to

Governor's Office of Energy statewide adoption, followed by local municipalities¹

Local amendments allowed?

Yes¹

Amendments

2024 IECC revisions effective March 12, 2025⁵

International Fire Code (IFC)

Scope

Statewide minimum; local governments may go further³

Local amendments allowed?

Yes³

Amendments

NAC 477³

How Nevada adopts building codes

NRS 701.220; NAC 701.185; NRS 278.610

• Energy code adopted at state level, then by local municipalities. Pursuant to NRS 701.220, the Governor's Office of Energy (GOE) is required to adopt the most recently published version of the International Energy Conservation Code (IECC) on a triennial basis.¹
• Local municipalities follow state IECC adoption and may be more stringent. Upon adoption by GOE, local municipalities shall follow suit and are authorized to adopt amendments and/or provisions which are more stringent than the standards published and adopted.¹
• State buildings fall under the State Public Works Division; local codes do not apply on state land except local design criteria. Local codes do not apply on state land with this exception: Design criteria for wind, snow, frost line and seismic loads shall be in accordance with the ordinances adopted by the local jurisdiction.³
• Clark County building codes: 2024 editions from January 11, 2026. Effective January 11, 2026, the Clark County Building Department adopted the 2024 International Building Codes.⁶
• Clark County adopted the 2024 IRC by ordinance with Southern Nevada Amendments. …adopting by reference the 2024 International Residential Code and the Southern Nevada Amendments to the 2024 International Residential Code…⁷
• GOE local adoption page still lists 2018 IECC adopters. GOE adopted the 2018 IECC in June 2018 with the following jurisdictions adopting the same…⁸
• City of Las Vegas: 2024 codes effective January 5, 2026. To allow the industry time to accommodate this adoption, the effective date of the codes will be January 5, 2026.⁹

Applies to

Local building official issues permits where one is appointed¹⁰

Can local rules be stricter?

Yes¹

Residential code in Nevada cities

The edition each city enforces, from the city’s own adoption page or ordinance.

For permits, exemptions and owner-builder rules, see Nevada building permits. To compare editions across states, see the code adoption map.