{"data":{"id":"us-md/md.-code-public-safety-12-1104","jurisdiction":"us-md","citation":"Md. Code, Public Safety § 12–1104","heading":"","body":"(a) Except as provided in subsections (b) and (c) of this section, there must be a carbon monoxide alarm installed in a central location outside of each sleeping area within a dwelling subject to this subtitle.\n(b) For a hotel or a lodging or rooming house, on or after April 1, 2017, there must be a carbon monoxide alarm installed within the dwelling, as follows:\n(1) on the wall inside each guest room that:\n(i) contains a device that emits carbon monoxide;\n(ii) is adjacent to a room or area that contains a device that emits carbon monoxide;\n(iii) is adjacent to an enclosed unventilated attached garage; or\n(iv) is connected by ductwork to an enclosed unventilated attached garage or room or area that contains a device that emits carbon monoxide; and\n(2) on a wall in each room or area that:\n(i) contains a device that emits carbon monoxide;\n(ii) is adjacent to a room or area that contains a device that emits carbon monoxide; or\n(iii) is adjacent to an enclosed unventilated attached garage.\n(c) For a rental dwelling unit, on or after April 1, 2018, there must be a carbon monoxide alarm installed within the dwelling as follows:\n(1) outside and in the immediate vicinity of each separate sleeping area; and\n(2) on every level of the unit, including the basement.\n(d) Notwithstanding subsections (a), (b), and (c) of this section, if there is a centralized alarm system that is capable of emitting a distinct and audible sound to warn all occupants, the owner of a dwelling may install a carbon monoxide alarm within 25 feet of any carbon monoxide–producing fixture and equipment.","path":["Article - Public Safety"],"source_url":"https://mgaleg.maryland.gov/mgawebsite/Laws/StatuteText?article=gps\u0026section=12-1104","current_through":"2026-01-01","vintage":"","retrieved_at":"2026-09-14T20:00:18Z","sha256":"21f33d922f032be495872777c5444d8f50c4b99e8eb18b3165159afadc809133","source_id":"us-md","stale":false,"prev":"us-md/md.-code-public-safety-12-1103","next":"us-md/md.-code-public-safety-12-1105"},"notice":"GroundRules: Original legal text. Not legal advice."}