How many states currently have a UMC record in this dataset?
4 US jurisdictions have a current record under the UMC identifier. This count describes the dataset and is not a legal conclusion about every local jurisdiction.
Uniform Mechanical Code (UMC) State Adoption Reference
Review current Uniform Mechanical Code adoption records across 4 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 UMC records by state
| State | Base model code | Publisher | Effective | Adoption type | Reference |
|---|---|---|---|---|---|
| California | 2024 Uniform Mechanical Code (UMC) | IAPMO | Jan 1, 2026 | Custom | Official source |
| Nevada | 2024 Uniform Mechanical Code (UMC) | IAPMO | Not listed | Standard | Not listed |
| New Mexico | 2021 Uniform Mechanical Code (UMC) | IAPMO | Jul 14, 2023 | Amended | Official source |
| Texas | 2021 Uniform Mechanical Code (UMC) | IAPMO | Not listed | Standard | Not listed |
UMC adoption questions
Which UMC editions appear in the current records?
The edition years represented are 2024, 2021. A project may be governed by a different edition because of local amendments or transition rules.
Does a UMC 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 UMC 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.