# New Jersey — Which energy code each US state enforces for new homes: the IECC edition (or state equivalent) actually in force, with effective dates and amendments, from the state rules themselves

For New Jersey, energy code in force is International Energy Conservation Code/2024 (Low-Rise Residential), verified against its source on 2026-08-18.

- **State:** New Jersey _(verified: appears in the quote below)_
- **Energy code in force:** International Energy Conservation Code/2024 (Low-Rise Residential) _(verified: appears in the quote below)_

## What the source says

> International Energy Conservation Code/2024 (Low-Rise Residential)

## Source

- https://www.nj.gov/dca/codes/codreg/current.shtml

Last verified: 2026-08-18. Review by: 2027-02-14.
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