How many states currently have a IPC record in this dataset?
29 US jurisdictions have a current record under the IPC identifier. This count describes the dataset and is not a legal conclusion about every local jurisdiction.
International Plumbing Code (IPC) State Adoption Reference
Review current International Plumbing Code adoption records across 29 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 IPC records by state
| State | Base model code | Publisher | Effective | Adoption type | Reference |
|---|---|---|---|---|---|
| Alabama | 2021 International Plumbing Code (IPC) | ICC | Jul 1, 2022 | Standard | Official source |
| Arizona | 2024 International Plumbing Code (IPC) | ICC | Not listed | Standard | Not listed |
| Arkansas | 2018 International Plumbing Code (IPC) | ICC | Sep 1, 2021 | Custom | Official source |
| Colorado | 2024 International Plumbing Code (IPC) | ICC | Not listed | Standard | Not listed |
| Connecticut | 2021 International Plumbing Code (IPC) | ICC | Oct 1, 2022 | Amended | Official source |
| Delaware | 2021 International Plumbing Code (IPC) | ICC | Sep 1, 2022 | Amended | Official source |
| District of Columbia | 2015 International Plumbing Code (IPC) | ICC | May 29, 2020 | Amended | Official source |
| Florida | 2021 International Plumbing Code (IPC) | ICC | Dec 31, 2023 | Custom | Official source |
| Georgia | 2024 International Plumbing Code (IPC) | ICC | Jan 1, 2026 | Amended | Official source |
| Indiana | 2006 International Plumbing Code (IPC) | ICC | Dec 24, 2012 | Amended | Official source |
| Louisiana | 2021 International Plumbing Code (IPC) | ICC | Jan 1, 2023 | Custom | Official source |
| Maryland | 2024 International Plumbing Code (IPC) | ICC | Nov 24, 2025 | Amended | Official source |
| Michigan | 2021 International Plumbing Code (IPC) | ICC | Mar 12, 2024 | Custom | Official source |
| Mississippi | 2024 International Plumbing Code (IPC) | ICC | Not listed | Standard | Not listed |
| Missouri | 2018 International Plumbing Code (IPC) | ICC | Not listed | Standard | Not listed |
| New Hampshire | 2021 International Plumbing Code (IPC) | ICC | Jul 1, 2024 | Custom | Official source |
| New York | 2024 International Plumbing Code (IPC) | ICC | Dec 31, 2025 | Custom | Official source |
| New York City | 2015 International Plumbing Code (IPC) | ICC | Nov 7, 2022 | Custom | Official source |
| North Carolina | 2015 International Plumbing Code (IPC) | ICC | Jan 1, 2019 | Custom | Official source |
| Ohio | 2021 International Plumbing Code (IPC) | ICC | Mar 1, 2024 | Custom | Official source |
| Oklahoma | 2018 International Plumbing Code (IPC) | ICC | Sep 14, 2021 | Custom | Official source |
| Pennsylvania | 2021 International Plumbing Code (IPC) | ICC | Jan 1, 2026 | Amended | Official source |
| Rhode Island | 2021 International Plumbing Code (IPC) | ICC | Dec 1, 2025 | Custom | Official source |
| South Carolina | 2021 International Plumbing Code (IPC) | ICC | Jan 1, 2023 | Custom | Official source |
| Tennessee | 2021 International Plumbing Code (IPC) | ICC | Apr 17, 2025 | Standard | Official source |
| Utah | 2021 International Plumbing Code (IPC) | ICC | Jul 1, 2023 | Custom | Official source |
| Vermont | 2024 International Plumbing Code (IPC) | ICC | Apr 11, 2025 | Amended | Official source |
| Virginia | 2021 International Plumbing Code (IPC) | ICC | Jan 18, 2024 | Custom | Official source |
| West Virginia | 2018 International Plumbing Code (IPC) | ICC | Aug 1, 2022 | Standard | Official source |
IPC adoption questions
Which IPC editions appear in the current records?
The edition years represented are 2024, 2021, 2018, 2015, 2006. A project may be governed by a different edition because of local amendments or transition rules.
Does a IPC 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 IPC 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.