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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 677 sections for San Antonio, TX, the 2024 IRC

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  • E3903.3

    Additional Locations

    • Hallways, stairways, garages and the outside of each grade-level egress door (not vehicle doors) get a wall-controlled lighting outlet; a bulkhead stair light may be inside within 5 ft of the bottom riser (NEC 210.70(A)(2)).

    International Residential Code, 2024 · Chapter 39, Power and Lighting DistributionRead the full text (opens UpCodes in a new tab)

  • E3608.1.1.2

    Installation

    • Bond around water meters and filters; a water-pipe electrode is always supplemented by another electrode, with the sole jumper to a rod/pipe/plate no larger than 6 Cu / 4 Al (NEC 250.53(D), (E)).

    International Residential Code, 2024 · Chapter 36, ServicesRead the full text (opens UpCodes in a new tab)

  • E3702.15

    Branch-Circuit Requirement—Summary

    • Multi-outlet circuit requirements are summarized by rating; dwelling circuits serve only that unit, and common-area circuits in a two-family home don't come from a unit's panel (NEC 210.24, 210.25).

    International Residential Code, 2024 · Chapter 37, Branch Circuit and Feeder RequirementsRead the full text (opens UpCodes in a new tab)

  • E3901.3.2

    Limitations

    • Kitchen countertop receptacles are on at least two small-appliance circuits, and no small-appliance circuit serves more than one kitchen (NEC 210.52(B)(3)).

    International Residential Code, 2024 · Chapter 39, Power and Lighting DistributionRead 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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