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 677 sections for San Antonio, TX, the 2024 IRC

Show another sample

  • E3402.3

    Penetrations of Firestops and Draftstops

    • Penetrations of fireblocking and draftstopping are sealed to keep them intact.

    International Residential Code, 2024 · Chapter 34, General RequirementsRead the full text (opens UpCodes in a new tab)

  • E4001.11.1

    Faceplate Grounding

    • Switches, dimmers and metal plates are grounded through the box screws or an EGC to the switch; ungrounded replacements within 8 ft vertically or 5 ft horizontally of grounded objects get a nonconducting plate or GFCI (NEC 404.9(B)).

    International Residential Code, 2024 · Chapter 40, Devices and LuminairesRead the full text (opens UpCodes in a new tab)

  • E3407.3

    Ungrounded Conductors

    • Hot conductors are any color but white, gray or green; a white cable conductor may be a hot if reidentified at every termination, and as a switch loop only for the supply (NEC 310.6(C), 200.7(C)).

    International Residential Code, 2024 · Chapter 34, General RequirementsRead the full text (opens UpCodes in a new tab)

  • E3903.3

    Additional Locations

    • Hallways, stairways, garages and the outside of each grade-level egress door (not vehicle doors) get a wall-controlled lighting outlet; a bulkhead stair light may be inside within 5 ft of the bottom riser (NEC 210.70(A)(2)).

    International Residential Code, 2024 · Chapter 39, Power and Lighting DistributionRead 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