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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 751 sections for San Antonio, TX, the 2024 IRC and IBC

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  • P3302.1

    Subsoil Drains

    • Subsoil (foundation) drains are perforated or open-joint pipe at least 4 in, with a backwater valve where backwater is possible, discharging to a trapped drain, sump, dry well or daylight; subsoil sumps need no gastight cover or vent.

    International Residential Code, 2024 · Chapter 33, Storm DrainageRead the full text (opens UpCodes in a new tab)

  • P2902.5.5.2

    Direct Systems for Potable Water Distribution Systems

    • Direct solar systems heating potable water use Chapter 29 compliant parts.

    International Residential Code, 2024 · Chapter 29, Water Supply and DistributionRead the full text (opens UpCodes in a new tab)

  • P2606.1

    Sealing of Annular Spaces

    • Gaps around pipes through sleeves or envelope walls, floors and ceilings are sealed with compatible caulk, foam or gaskets; rated assemblies follow the building code.

    International Residential Code, 2024 · Chapter 26, General Plumbing RequirementsRead the full text (opens UpCodes in a new tab)

  • P2706.1

    General

    • Waste receptors have a removable strainer (except clear-water hubs and standpipes), are readily accessible, and aren't concealed or in plenums, attics, crawl spaces or interstitial spaces.

    International Residential Code, 2024 · Chapter 27, Plumbing FixturesRead 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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