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Orange County, NY Building Safety: Carbon Monoxide Detectors (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Enforcing agency
Orange County Commissioner of Health
Trigger
Unvented flame space heater as heat source
Detector placement
Same room, plus near every sleeping room
Maintenance duty
Property owner (power source)
Citation
Sanitary Code Art. III §5(2)(a)

Summary

Orange County's Sanitary Code bans unvented flame space heaters in rentals unless the owner installs a carbon monoxide detector in the same room as the heater plus additional detectors near every sleeping room, under Article III, Section 5(2)(a); the alarms can't be removed or disabled except for service.

These county ordinances apply to unincorporated areas of Orange County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

Exception: Unvented flame space heaters shall be permitted if they are installed and maintained properly, used as a secondary source of heat, a carbon monoxide detector is installed in the same room as the unvented flame space heater, and additional carbon monoxide detector(s) is/are installed in close proximity to all sleeping rooms. Maintenance of power source shall be the property owner's responsibility. Required carbon monoxide alarms shall not be removed or disabled, except for replacement, service or repair purposes.

Full Breakdown

Article III, Section 5 sets minimum thermal standards for dwelling units, and subdivision 2 addresses space and water heaters directly. The baseline rule bans unvented flame space heaters and any space heater lacking a back-draft diverter and automatic controls; portable electric heaters approved under local or state electrical and fire codes are acceptable instead. " The same subdivision puts maintenance of the detector's power source squarely on the property owner, and bars removing or disabling a required carbon monoxide alarm except for replacement, service or repair.

Section 5 separately bars any fuel-burning device, vented or not, from a water closet compartment, toilet room, bathroom or sleeping room. Enforcement runs through the same Article III, Section 6 inspection and written-notice process as the rest of the Housing Hygiene article, so a missing detector next to an unvented heater becomes a chargeable violation once the county documents it and the owner misses the correction deadline.

Violations & Fines

Operating an unvented flame heater without the required carbon monoxide detectors, or disabling one outside of service or repair, is a Sanitary Code violation: up to $250 for a first offense and $500 for a repeat, plus up to 15 days in jail, or a civil penalty up to $2,000 per violation added to the property's tax bill.

Frequently Asked Questions

Does Orange County require carbon monoxide detectors in rentals?
It requires them specifically wherever an unvented flame space heater is used. Article III, Section 5(2)(a) of the Sanitary Code only allows those heaters if a carbon monoxide detector sits in the same room and additional detectors are installed close to every sleeping room in the unit.
Can a landlord remove a carbon monoxide alarm?
Not without cause. The Sanitary Code says required carbon monoxide alarms "shall not be removed or disabled, except for replacement, service or repair purposes," and puts responsibility for maintaining the detector's power source on the property owner, so a tenant can report a missing unit as a code violation.
Are unvented heaters even allowed in Orange County rentals?
Only as a secondary heat source, and only with the required carbon monoxide detectors in place. Section 5(2)(a) otherwise bans unvented flame space heaters and any heater without a back-draft diverter and automatic controls, favoring approved portable electric heaters or properly installed gas units instead.

Sources & Official References

Other rules in Orange County

All Orange County rules

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