Meridian, ID Building Safety: Carbon Monoxide Detectors (2026)
Key Facts
- Alarm placement
- Outside each sleeping area, near bedrooms
- Trigger
- Fuel-fired appliance or attached garage
- Existing homes
- Required when permitted interior work occurs
- Listing standard
- UL 2034 single-station alarms
Summary
Meridian requires carbon monoxide alarms outside sleeping areas in new homes with fuel-fired appliances or attached garages, under its local IRC amendment.
Carbon Monoxide Alarms. For new construction, an approved carbon monoxide alarm shall be installed outside of each separate sleeping area in the immediate vicinity of the bedrooms in dwelling units within which fuel-fired appliances are installed and in dwelling units that have attached garages.
D.A new section, section M1203.2, shall be added, to read as follows: Where Required In Existing Dwellings. Where interior work requiring a permit occurs in existing dwellings that have attached garages or in existing dwellings within which fuel-fired appliances exist, carbon monoxide alarms shall be provided in accordance with this section.
E.A new section, section M1203.3, shall be added, to read as follows: Alarm Requirements. Single station carbon monoxide alarms shall be listed as complying with UL 2034 and shall be installed in accordance with this code and the manufacturer's installation instructions.
F.A new sentence shall be added to section M1502.4.1, to read as follows: Material And Size. Dryer duct may be constructed of 0.013 (30 gage) or equivalent if prefabricated 0.016 (28 gage) ducts and fittings are not available.
G.Section M1502.4.2 shall be deleted, and replaced with language to read as follows:
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 14).
Full Breakdown
Meridian's amended Residential Code (IRC Part V, section M1203.1) requires an approved carbon monoxide alarm outside each separate sleeping area near bedrooms in any new dwelling unit that has fuel-fired appliances or an attached garage. Section M1203.2 extends the duty to existing dwellings undergoing permitted interior work. Alarms must be single-station units listed to UL 2034 and installed per the manufacturer's instructions under section M1203.3.
Violations & Fines
Violating this chapter is a misdemeanor under Meridian City Code § 10-5-6; each ten days a violation continues is a separate offense, and the city may also seek a civil injunction.
Frequently Asked Questions
Do older Meridian homes need a CO alarm?
What counts as a trigger for the CO alarm rule?
Sources & Official References
Other rules in Meridian
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