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).
23 sections matching “IBC 105” for San Antonio, TX, the 2024 IRC and IBC
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.
No building permit for sheds up to 120 sq ft, fences up to 7 ft (not pool barriers), retaining walls up to 4 ft, walks and drives up to 30 in, finish work and similar; exempt work still has to meet the code.
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. Houses under the IRC have their own exemption list (IRC R105.2), with a larger shed limit.
Applications describe the work, the land (legal description or address), the use and occupancy, the valuation, and include the construction documents, signed by the applicant.
A permit expires if work doesn't start within 180 days or stops for 180 days; written extensions up to 180 days each.
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.
An application is abandoned after 180 days unless pursued or permitted; extensions of up to 90 days each may be granted in writing.
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.
Types by aggregate: carbonate (limestone or dolomite, 40% or less quartz), siliceous (over 40% quartz), lightweight (85 to 115 pcf), sand-lightweight (105 to 120 pcf), and about 30 pcf insulating cellular, perlite and vermiculite concretes.
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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