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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 5,535 sections for San Antonio, TX, the 2024 IBC

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  • IBC 601.1

    Scope

    • This chapter classifies buildings by type of construction.
    • Primary frame IA 3, IB 2, IIA 1, IIB 0, IIIA 1, IIIB 0, IV-A 3, IV-B 2, IV-C 2, IV-HT heavy timber, VA 1, VB 0. Floors 2/2/1/0/1/0/2/2/2/HT/1/0; roofs 1½/1/1/0/1/0/1½/1/1/HT/1/0. Roof supports may drop 1 hour; roofs 20 ft or more above the floor need no protection except in F-1, H, M and S-1. Interior nonbearing walls are 0 unless other sections require.

    Works withIBC 705.5IBC 704.9IBC 2304.11

    International Building Code, 2024 · Chapter 6, Types of ConstructionRead the full text (opens UpCodes in a new tab)

  • IBC 415.11.1.8

    Electrical

    • Hazardous location rules may be waived with high air change rates.

    International Building Code, 2024 · Chapter 4, Special Detailed Requirements Based on Occupancy and UseRead the full text (opens UpCodes in a new tab)

  • IBC 201.3

    Terms defined in other codes

    • A term the IBC doesn't define takes its meaning from the IECC, IFGC, IFC, IMC or IPC where one of those defines it.

    Works withIECCIFGCIFCIMCIPC

    International Building Code, 2024 · Chapter 2, DefinitionsRead 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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