CODE (as adopted by NJAC 5:23)

Adoption Date 

BUILDING SUBCODE (NJAC 5:23-3.14)

International Building Code/2024 (NJ ed, coming soon)  
 * Corrected pages (NJ errata) - N/A
 * Corrected sections (ICC errata)
Other referenced I-Codes (IFC/2024; ISPSC/2024; etc.)
Other referenced ICC Standards (ICC A117.1-2017; ICC 300-2023; etc.)

Aug 17, 2026

PLUMBING SUBCODE (NJAC 5:23-3.15)

National Standard Plumbing Code/2024 (NJ ed coming soon)
 * Corrected pages (NJ errata) - NA
 * Corrected sections (NSPC errata)

ELECTRICAL SUBCODE (NJAC 5:23-3.16)

National Electrical Code (NFPA 70)/2023
(link also provides access to all NFPA standards)
 * TIA 1 - 13

Aug 17, 2026

ENERGY SUBCODE (NJAC 5:23-3.18)

International Energy Conservation Code/2024 (Low-Rise Residential)
ASHRAE 90.1-2022 (Commercial & all other Residential)

Aug 17, 2026

MECHANICAL SUBCODE (NJAC 5:23-3.20)

International Mechanical Code/2024

Aug 17, 2026

ONE- AND TWO-FAMILY DWELLING SUBCODE (NJAC 5:23-3.21)

International Residential Code/2024 NJ ed
 * Corrected pages (NJ errata) - N/A
 * Corrected sections (ICC errata)
Other referenced I-Codes (ISPSC/2024; etc.)

FUEL GAS SUBCODE  (NJAC 5:23-3.22)

International Fuel Gas Code/2024

Aug 17, 2026

REHABILITATION SUBCODE  (NJAC 5:23-6)

NJUCC, Subchapter 6

Updated as Necessary
(current as of 08/17/26)

BARRIER FREE SUBCODE (Chapter 11 of IBC/2024 & NJAC 5:23-7)

ICC A117.1-2017 w/ supp

Aug 17, 2026

ELEVATOR SUBCODE (NJAC 5:23-12)

American Society of Mechanical Engineers (ASME)
* See "ASME" within Chapter 35 of IBC/2024

To purchase, please contact:

•  International Codes & ICC/ANSI A117.1 -- International Code Council
   (888) 422-7233

•  National Standard Plumbing Code -- National Assoc. of Plumbing-Heating-Cooling Contractors
   (800) 652-7422; director@nj-phcc.org

•  National Electrical Code -- National Fire Protection Assoc.
   (617) 770-3000

•  ASHRAE Std. 90.1 -- American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.
   (800) 527-4723

•  ASME -- American Society of Mechanical Engineers
   (800) 843-2763