Iowa
For Iowa, chart as of is January 2024; ibc edition in force (from the state's own regulation) is 2024; irc edition in force (from the state's own regulation) is 2024; adopting regulation is Iowa Admin. Code r. 481—301.3(103A) (IBC), r. 481—301.8(103A) (IRC); ibc edition is 15, recorded from its source on 2026-09-30; source re-checked 2026-10-10.
- State or territory
- Iowa verified
- Chart as of
- January 2024
- IBC edition in force (from the state's own regulation)
- 2024 verified
- IRC edition in force (from the state's own regulation)
- 2024 verified
- Adopting regulation
- Iowa Admin. Code r. 481—301.3(103A) (IBC), r. 481—301.8(103A) (IRC) our reading
- IBC edition
- 15 verified
- IRC edition
- 15 verified
- IFC edition
- 15 verified
- IMC edition
- 21 verified
- IPC edition
- X verified
- IPSDC edition
- X verified
- IFGC edition
- X verified
- IPMC edition
- X verified
- IEBC edition
- 15 verified
- ISPSC edition
- X verified
- IZC edition
- X verified
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
Iowa 15 15 15 21 X X X 12 12 X 15 X X
— iccsafe.org, retrieved 2026-09-30
Where each value comes from
This source states these in separate places, so each value is shown with the passage that states it.
IBC edition in force (from the state's own regulation)
General provisions. The provisions of the International Building Code, 2024 edition, published by the International Code Council, www.iccsafe.org, are hereby adopted by reference as the general requirements for building construction
IRC edition in force (from the state's own regulation)
Residential construction requirements. The provisions of the International Residential Code, 2024 edition, published by the International Code Council, located at www.iccsafe.org, are hereby adopted by reference as the requirements for construction
— all from legis.iowa.gov, retrieved 2026-09-30
Sources
- iccsafe.orghttps://www.iccsafe.org/wp-content/uploads/Master-I-Code-Adoption-Chart-1.pdf
- legis.iowa.govhttps://www.legis.iowa.gov/docs/iac/chapter/481.301.pdf