In this section
New Jersey Uniform Construction Code: Stairs & Guards
New Jersey runs its own Uniform Construction Code, with houses covered by a New Jersey edition of the 2021 IRC. The stair and guard figures follow the IRC baseline.
New Jersey runs its own Uniform Construction Code (UCC). Houses fall under the One- and Two-Family Dwelling Subcode — a New Jersey edition of the 2021 IRC — mandatory statewide under N.J.A.C. 5:23-3.21, effective March 2023.
No confirmed New Jersey-specific stair or guard amendment surfaced — figures follow the IRC baseline. See the US stair & guard rules for the shared figures, and confirm local amendments with your construction official.
Adoption status
Adopted- Current code in force
- NJ Uniform Construction Code — One- and Two-Family Dwelling Subcode (2021 IRC, New Jersey Edition)
- Next edition
- —
- Adoption / transition
- Mandatory statewide via UCC (N.J.A.C. 5:23-3.21); 2021 IRC NJ Edition subcode effective March 2023
Last verified 2026-07-28
No state-specific variations recorded yet for this jurisdiction.