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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 104.2.2.2

    Preparer qualifications

    • Reports are prepared by a qualified engineer, specialist, lab or agency the official accepts, and may need a registered design professional's seal.

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

  • IBC 116.4

    Method of service

    • Notices are delivered personally, by certified mail, or as local law allows; returned mail is posted on the structure.

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

  • IBC 104.3.1

    Determination of substantially improved or substantially damaged existing buildings and structures in flood hazard areas

    • In flood areas the official decides whether work is substantial improvement or damage repair; if so, the building meets the flood provisions (IBC 1612 or IRC R306).

    Works withIBC 1612IRC R306

    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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