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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 4,296 sections for San Antonio, TX, the 2024 IRC

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  • R505.3.1

    Floor-to-Foundation or Load-Bearing Wall Connections

    • Steel floors are anchored to foundations, sills or walls per Table R505.3.1(1), with bolts within 12 in of corners and track ends; tighter spacing applies in Exposure C.
    • Steel joists get two No. 8 screws at each bearing track, and subfloor screws go 6 in apart at edges and 12 in in the field.

    International Residential Code, 2024 · Chapter 5, FloorsRead the full text (opens UpCodes in a new tab)

  • P2904.7

    Instructions and Signs

    • The owner gets a manual, and a warning sign at the main shutoff says not to add softeners, filters or shutoffs without a sprinkler review.

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

  • M1202.3

    Maintenance

    • Owners keep new and existing systems working, safe and sanitary, with required safeguards maintained to the edition they were installed under; the official may order a reinspection.

    International Residential Code, 2024 · Chapter 12, Mechanical 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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