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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 150 sections for San Antonio, TX, the 2024 IBC

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  • IBC 101.3

    Purpose

    • Sets minimum requirements for structural strength, egress, sanitation, light, ventilation, energy and fire safety, including for firefighters.

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

  • IBC 107.2.6

    Site plan

    • A scaled site plan from a boundary survey shows new and existing structures, distances from lot lines, street and finished grades, and any flood areas and design flood elevations.

    Works withIRC R106.2

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

  • IBC 107.3.2

    Previous approvals

    • Lawfully permitted work pursued in good faith within 180 days of a new code's effective date needn't change.

    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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