What building codes are currently listed for New Hampshire?
The current dataset contains 10 active adoption records for New Hampshire. The code identifiers represented are IBC, IEBC, IECC, IMC, IPC, IRC, ISPSC, NFPA 1, NFPA 101, NFPA 70.
New Hampshire Building Codes & State Adoption Profile
Review 10 current statewide building code adoption records for New Hampshire, including model-code editions, effective dates, amendments, and official references.
Always verify statewide requirements, local amendments, and the applicable enforcement date with the authority having jurisdiction before relying on a code selection.
Current New Hampshire adoption records
| Adopted code | Base model code | Publisher | Effective | Adoption type | Reference |
|---|---|---|---|---|---|
| New Hampshire Electrical Code | 2023 NFPA 70 National Electrical Code (NFPA 70) | NFPA | Jul 1, 2025 | Amended | Official source |
| New Hampshire Plumbing Code | 2021 International Plumbing Code (IPC) | ICC | Jul 1, 2024 | Custom | Official source |
| New Hampshire Swimming Pool and Spa Code | 2021 International Swimming Pool and Spa Code (ISPSC) | ICC | Jul 1, 2024 | Custom | Official source |
| New Hampshire Building Code | 2021 International Building Code (IBC) | ICC | Jul 1, 2024 | Custom | Official source |
| New Hampshire Mechanical Code | 2021 International Mechanical Code (IMC) | ICC | Jul 1, 2024 | Custom | Official source |
| New Hampshire Fire Code- Uniform Fire Code | 2021 NFPA 1 Fire Code (NFPA 1) | NFPA | Aug 13, 2024 | Amended | Official source |
| New Hampshire Fire Code- Life Safety Code | 2021 NFPA 101 Life Safety Code (NFPA 101) | NFPA | Aug 13, 2024 | Amended | Official source |
| New Hampshire Residential Code | 2021 International Residential Code (IRC) | ICC | Jul 1, 2024 | Custom | Official source |
| New Hampshire Existing Building Code | 2021 International Existing Building Code (IEBC) | ICC | Jul 1, 2024 | Custom | Official source |
| New Hampshire Energy Conservation Code | 2018 International Energy Conservation Code (IECC) | ICC | Jul 1, 2022 | Amended | Official source |
New Hampshire building code questions
Does New Hampshire amend its adopted model building codes?
The adoption records use these amendment classifications: Amended, Custom. Local amendments may still apply even when a statewide record is present.
How do I confirm the code for a project in New Hampshire?
Use the listed adoption references as a starting point, then confirm the edition, effective date, local amendments, occupancy, and project scope with the authority having jurisdiction in New Hampshire.
Are these New Hampshire records legal advice?
No. MeltPlan provides research information and source links. The enforcing agency and adopted legal text control.