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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 9,828 sections for San Antonio, TX, the 2024 IRC and IBC

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  • P2902.3.2

    Atmospheric-Type Vacuum Breakers

    • Atmospheric vacuum breakers (ASSE 1001) and hose vacuum breakers stay open to air with the critical level 6 in above downstream piping and the flood rim.

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

  • M1411.9

    Condensate Disposal

    • Condensate runs from the pan to an approved disposal point at 1/8 in per ft or more, never onto a street, alley or anywhere it's a nuisance.

    Local review: Attic air handlers are common in San Antonio; check the city's mechanical amendments for where condensate may discharge (yard, plumbing drain or receptor).

    International Residential Code, 2024 · Chapter 14, Heating and Cooling Equipment and AppliancesRead the full text (opens UpCodes in a new tab)

  • M2001.1.1

    Standards

    • Boilers are listed to UL 726 (oil), UL 834 (electric) or UL 2523 (solid fuel), built to ASME Section I or IV, with ASME CSD-1 controls up to 12.5 million Btu/h; gas per Chapter 24.

    International Residential Code, 2024 · Chapter 20, Boilers and Water HeatersRead the full text (opens UpCodes in a new tab)

  • R301.2

    Climatic and Geographic Design Criteria

    • The local jurisdiction publishes the climate and site design values every house is built to.

    International Residential Code, 2024 · Chapter 3, Building PlanningRead 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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