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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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  • E4206.12

    Electric Pool Water Heaters

    • Electric pool heaters split elements into loads of 48 A or less protected at 60 A max, with circuits sized at 125% of nameplate (NEC 680.10).

    International Residential Code, 2024 · Chapter 42, Swimming PoolsRead the full text (opens UpCodes in a new tab)

  • M2002.4.1

    Requirements for Discharge Pipe

    • Relief discharge pipe: full size, gravity-drained, untrapped, one valve only, not tied to the drain, ending visibly within 6 in of the floor or receptor in the same room, unthreaded, with no valves or tees.

    International Residential Code, 2024 · Chapter 20, Boilers and Water HeatersRead 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)

  • R606.9

    Allowable Stresses

    • Masonry compressive stress stays within Table R606.9 values, using the weakest material in a mixed wall, and facing units carrying load are at least 1-1/2 in thick.

    International Residential Code, 2024 · Chapter 6, Wall ConstructionRead 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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