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Search the building code.

Every 2024 IRC section and the IBC as it loads, by number or topic, plus the local rules for your city. Free to search.

Detached houses, duplexes and townhouses up to 3 stories with their own exits use the IRC; every other building uses the IBC (IBC 101.2).

A random sample from 151 sections for San Antonio, TX, the 2024 IRC and IBC

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  • IBC 104.2.3

    Alternative materials, design and methods of construction and equipment

    • Materials, designs and methods not prescribed by the code may be approved if not prohibited; ICC Performance Code designs are an option except for structural alternatives.

    Works withIBC 104.2.3.1IBC 104.2.3.7ICCPC

    International Building Code, 2024 · Chapter 1, Scope and AdministrationRead the full text (opens UpCodes in a new tab)

  • IBC 107.3.3

    Phased approval

    • Foundations or other parts may be permitted before the full documents, at the holder's risk.

    International Building Code, 2024 · Chapter 1, Scope and AdministrationRead the full text (opens UpCodes in a new tab)

  • IBC 101.2

    Scope

    Used in checks
    • The IBC covers every building and structure and its use, except detached one- and two-family dwellings and townhouses up to 3 stories with their own exits (and their accessory structures), which may use the IRC instead.

    Works withIRC R101.2

    International Building Code, 2024 · Chapter 1, Scope and AdministrationRead the full text (opens UpCodes in a new tab)

Searches all 4,276 IRC 2024 sections, 5,532 IBC 2024 sections and defined terms (Chapters 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 so far) and each city's local rules as they are added. Section numbers and titles from the International Residential Code and International Building Code, 2024 editions, copyrighted by the International Code Council; the IRC's electrical chapters (34 to 43) follow NFPA 70, the National Electrical Code. Requirements are summarized in our words (IRC Chapters 3 to 43, IBC Chapters 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33); read the full text at the link on each result. Local values come from each city's published documents.

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