New Jersey Statutes Annotated §52:27D-133.3 to 133.5:
Single- and multi-family dwellings built or substantially rehabilitated after the effective date must have CO alarms installed. (Effective date: January 1, 2010)
New Jersey Statuts Annotated 55:13B-6.1:
Every unit of dwelling space in a rooming or boarding house shall be equipped with one or more carbon monoxide sensor devices
A4073:
Requires the Commisioner of Community Affairs to promulgate rules for installation and placement of CO detection devices in every building that contains a CO-emitting source, including existing buildings.