How many states currently have a IEBC record in this dataset?
43 US jurisdictions have a current record under the IEBC identifier. This count describes the dataset and is not a legal conclusion about every local jurisdiction.
International Existing Building Code (IEBC) State Adoption Reference
Review current International Existing Building Code adoption records across 43 US jurisdictions, with editions, effective dates, amendments, and official references.
The table reports the latest active record per US jurisdiction in MeltPlan's source data. Confirm applicability with the authority having jurisdiction.
Current IEBC records by state
| State | Base model code | Publisher | Effective | Adoption type | Reference |
|---|---|---|---|---|---|
| Alabama | 2021 International Existing Building Code (IEBC) | ICC | Jul 1, 2022 | Standard | Official source |
| Alaska | 2021 International Existing Building Code (IEBC) | ICC | Oct 28, 2022 | Custom | Official source |
| Arizona | 2024 International Existing Building Code (IEBC) | ICC | Not listed | Standard | Not listed |
| California | 2024 International Existing Building Code (IEBC) | ICC | Jan 1, 2026 | Custom | Official source |
| Colorado | 2024 International Existing Building Code (IEBC) | ICC | Not listed | Standard | Not listed |
| Connecticut | 2021 International Existing Building Code (IEBC) | ICC | Oct 1, 2022 | Amended | Official source |
| District of Columbia | 2015 International Existing Building Code (IEBC) | ICC | May 29, 2020 | Amended | Official source |
| Florida | 2021 International Existing Building Code (IEBC) | ICC | Dec 31, 2023 | Custom | Official source |
| Georgia | 2018 International Existing Building Code (IEBC) | ICC | Jan 1, 2021 | Custom | Official source |
| Hawaii | 2018 International Existing Building Code (IEBC) | ICC | Apr 20, 2021 | Amended | Official source |
| Idaho | 2018 International Existing Building Code (IEBC) | ICC | Jan 1, 2021 | Standard | Official source |
| Illinois | 2018 International Existing Building Code (IEBC) | ICC | Not listed | Standard | Not listed |
| Iowa | 2024 International Existing Building Code (IEBC) | ICC | Sep 10, 2025 | Amended | Official source |
| Kentucky | 2015 International Existing Building Code (IEBC) | ICC | Jan 1, 2019 | Standard | Official source |
| Louisiana | 2021 International Existing Building Code (IEBC) | ICC | Jan 1, 2023 | Custom | Official source |
| Maine | 2021 International Existing Building Code (IEBC) | ICC | Apr 7, 2025 | Amended | Official source |
| Maryland | 2021 International Existing Building Code (IEBC) | ICC | May 29, 2023 | Amended | Official source |
| Massachusetts | 2021 International Existing Building Code (IEBC) | ICC | Oct 11, 2024 | Custom | Official source |
| Michigan | 2021 International Existing Building Code (IEBC) | ICC | Apr 9, 2025 | Custom | Official source |
| Minnesota | 2018 International Existing Building Code (IEBC) | ICC | Mar 31, 2020 | Custom | Official source |
| Mississippi | 2024 International Existing Building Code (IEBC) | ICC | Not listed | Standard | Not listed |
| Missouri | 2018 International Existing Building Code (IEBC) | ICC | Not listed | Standard | Not listed |
| Montana | 2021 International Existing Building Code (IEBC) | ICC | Jun 11, 2022 | Amended | Official source |
| Nebraska | 2018 International Existing Building Code (IEBC) | ICC | Sep 1, 2019 | Amended | Official source |
| Nevada | 2024 International Existing Building Code (IEBC) | ICC | Not listed | Standard | Not listed |
| New Hampshire | 2021 International Existing Building Code (IEBC) | ICC | Jul 1, 2024 | Custom | Official source |
| New Mexico | 2021 International Existing Building Code (IEBC) | ICC | Jul 14, 2023 | Amended | Official source |
| New York | 2024 International Existing Building Code (IEBC) | ICC | Dec 31, 2025 | Custom | Official source |
| North Carolina | 2015 International Existing Building Code (IEBC) | ICC | Jan 1, 2019 | Custom | Official source |
| North Dakota | 2024 International Existing Building Code (IEBC) | ICC | Jan 1, 2026 | Amended | Official source |
| Ohio | 2021 International Existing Building Code (IEBC) | ICC | Mar 1, 2024 | Custom | Official source |
| Oklahoma | 2018 International Existing Building Code (IEBC) | ICC | Sep 14, 2021 | Custom | Official source |
| Pennsylvania | 2021 International Existing Building Code (IEBC) | ICC | Jan 1, 2026 | Amended | Official source |
| Rhode Island | 2021 International Existing Building Code (IEBC) | ICC | Feb 1, 2022 | Custom | Official source |
| Tennessee | 2021 International Existing Building Code (IEBC) | ICC | Apr 17, 2025 | Amended | Official source |
| Texas | 2021 International Existing Building Code (IEBC) | ICC | Not listed | Standard | Not listed |
| Utah | 2021 International Existing Building Code (IEBC) | ICC | Jul 1, 2023 | Custom | Official source |
| Vermont | 2021 International Existing Building Code (IEBC) | ICC | Apr 11, 2025 | Amended | Official source |
| Virginia | 2021 International Existing Building Code (IEBC) | ICC | Jan 18, 2024 | Custom | Official source |
| Washington | 2021 International Existing Building Code (IEBC) | ICC | Mar 15, 2024 | Custom | Official source |
| West Virginia | 2018 International Existing Building Code (IEBC) | ICC | Aug 1, 2022 | Amended | Official source |
| Wisconsin | 2021 International Existing Building Code (IEBC) | ICC | Sep 1, 2025 | Amended | Official source |
| Wyoming | 2024 International Existing Building Code (IEBC) | ICC | Jun 26, 2024 | Standard | Official source |
IEBC adoption questions
Which IEBC editions appear in the current records?
The edition years represented are 2024, 2021, 2018, 2015. A project may be governed by a different edition because of local amendments or transition rules.
Does a IEBC state record apply in every city or county?
Not necessarily. Home-rule authority, local amendments, project type, occupancy, and enforcement dates may change which requirements apply.
How should I verify a IEBC adoption?
Open the official source where one is listed, then confirm the adopted edition, amendments, effective date, and project jurisdiction with the authority having jurisdiction.