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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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  • G2447.5

    Vertical Clearance Above Cooking Top

    • Gas cooktops need 30 in to combustibles and metal cabinets above, or 24 in with millboard and sheet metal protection, a 28-gauge hood 1/4 in below, or a listed over-range appliance.

    International Residential Code, 2024 · Chapter 24, Fuel GasRead the full text (opens UpCodes in a new tab)

  • G2407.9.3

    Combined Combustion Air and Ventilation Air System

    • Combustion air from the ventilation system is added on top of required ventilation air.

    International Residential Code, 2024 · Chapter 24, Fuel GasRead the full text (opens UpCodes in a new tab)

  • E3905.3.1

    Nonmetallic-Sheathed Cable Entering Boxes

    • NM cable sheath enters the box at least 1/4 in and is secured, except in single-gang boxes no larger than 2 1/4 x 4 in where the cable is stapled within 8 in (NEC 314.17(B)(2)).

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

  • E4003.12

    Luminaires in Clothes-Closet Storage Space

    • Closet storage space runs 24 in from walls up to 6 ft (or the top rod), then 12 in or shelf width above; only enclosed or fluorescent fixtures, with 12 in clearance for surface incandescent/LED and 6 in for fluorescent and recessed (NEC 410.16).

    International Residential Code, 2024 · Chapter 40, Devices and LuminairesRead 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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