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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 6,919 sections for San Antonio, TX, the 2024 IRC and IBC

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  • IBC 907.2.13.2

    Fire department communication system

    • Wired fire department communication, where used instead of radio coverage, links the command center, elevators, lobbies, refuge areas and stairs.

    International Building Code, 2024 · Chapter 9, Fire Protection and Life Safety SystemsRead the full text (opens UpCodes in a new tab)

  • R1002.5

    Masonry Heater Clearance

    • Combustibles stay 36 in from a masonry heater, with the space vented; with 8 in walls and 5 in channel walls the clearance drops to 4 in and 8 in to a combustible ceiling; listed heaters follow their listing.

    International Residential Code, 2024 · Chapter 10, Chimneys and FireplacesRead the full text (opens UpCodes in a new tab)

  • IBC 509.1

    General

    • Incidental uses (higher-risk support rooms listed in Table 509.1) follow this section; those inside a dwelling unit are exempt.
    • Separation or protection: furnace rooms over 400,000 Btu/h, boilers over 15 psi and 10 hp, refrigerant machinery, laundry over 100 sq ft, waste/linen rooms over 100 sq ft: 1 hour or sprinklers. Incinerator rooms 2 hours and sprinklers. Paint shops 2 hours, or 1 hour with sprinklers. Stricter 'and' rules apply in I-2 and ambulatory care.

    Works withIBC Table 509.1

    International Building Code, 2024 · Chapter 5, General Building Heights and AreasRead the full text (opens UpCodes in a new tab)

  • IBC 410.2.1

    Stage construction

    • Stages are built like floors for the construction type, with exceptions for 2-in wood decks and sprinklered below-stage spaces.

    Works withIBC 903IBC 904

    International Building Code, 2024 · Chapter 4, Special Detailed Requirements Based on Occupancy and UseRead 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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