{"data":{"id":"us-nyc/n.y.c.-admin.-code-28-312.4","jurisdiction":"us-nyc","citation":"N.Y.C. Admin. Code § 28-312.4","heading":"§ 28-312.4 Periodic replacement of smoke alarms.","body":"Smoke alarms required pursuant to section 907.2 of the New York city building code or sections 27-978, 27-979, 27-980 and 27-981 of the 1968 building code shall be replaced when the time elapsed since the installation of such alarm exceeds the manufacturer's suggested useful life of the alarm.\n\nException: A smoke alarm installed before April 1, 2014 and whose end of useful life is not known shall be replaced with an alarm that complies with section 28-312.5 by no later than April 1, 2021.","path":["New York City Administrative Code","Title 28","Chapter 3: Maintenance of Buildings"],"source_url":"https://files.amlegal.com/pdffiles/NewYorkCity/Admin/XML.zip","current_through":"Local Law 2026/135 (enacted August 31, 2026)","vintage":"","retrieved_at":"2026-09-06T02:48:57Z","sha256":"326e91df0dfc49903986f22eed4bbb4e548f83a417e3c1a395bd52fcb1d5c6aa","source_id":"us-nyc","stale":false,"prev":"us-nyc/n.y.c.-admin.-code-28-312.3","next":"us-nyc/n.y.c.-admin.-code-28-312.5"},"notice":"GroundRules: Original legal text. Not legal advice."}