Skip to content
Built4UIQ
Log inSign up free

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 151 sections for San Antonio, TX, the 2024 IRC and IBC

Show another sample

  • IBC 102.4.2

    Provisions in referenced codes and standards

    • Where a referenced standard covers ground the IBC or the other I-Codes cover, the I-Codes take precedence.

    Works withIBC 101.4

    International Building Code, 2024 · Chapter 1, Scope and AdministrationRead the full text (opens UpCodes in a new tab)

  • IBC 105.1

    Required

    • A permit is needed before building, enlarging, altering, repairing, moving, demolishing or changing occupancy, or installing electrical, gas, mechanical or plumbing systems.

    Local review: Cities usually replace Chapter 1 with their own administrative rules. In San Antonio, permits, fees, time limits and inspections follow the city's adopted amendments and DSD procedures; confirm there before relying on these.

    Works withIBC 105.2

    International Building Code, 2024 · Chapter 1, Scope and AdministrationRead 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.

Check your plans against these codes

Start an application and get every flag with its section and fix.

Start an application