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Royal Oak, MI Building Safety: Carbon Monoxide Detectors (2026)

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

Key Facts

Required device
Functional carbon monoxide detector
Proof
Sworn attestation on registration application
Also required
Smoke detector, 1 fire extinguisher per floor
False attestation
Cause for registration suspension/revocation
First offense fine
$200 civil infraction minimum

Summary

Every rental registered in the City of Royal Oak must have a functioning carbon monoxide detector, and the owner must sign a sworn attestation to that effect as part of the rental registration application under the City's Property Maintenance Code.

"Carbon monoxide detector" means a device that detects carbon monoxide and alerts occupants via a distinct and audible signal that is either self-contained in the unit or activated via a system connection. ... A sworn attestation that the dwelling is equipped with all of the following functional equipment in compliance with the current code in effect for the dwelling: ... Carbon monoxide detector that may be battery-powered, plug-in with or without battery backup, wired into the property's AC power line with secondary battery backup, or connected to a system by means of a control panel.

Full Breakdown

Section 104.8, Rental Property Registration, added at § 556-4.A of the Royal Oak City Code, defines a 'carbon monoxide detector' as a device that detects carbon monoxide and alerts occupants with a distinct, audible signal, whether self-contained or activated through a system connection. Under § 556-4.A(3)(g), every application to register a rental property in the City of Royal Oak must include a sworn attestation that the dwelling is equipped with functional equipment in compliance with the current code in effect for the dwelling, specifically a carbon monoxide detector that may be battery-powered, plug-in with or without battery backup, wired into the property's AC power line with secondary battery backup, or connected to a system through a control panel, a working smoke detector, and one fire extinguisher per occupied floor.

Registration cannot be completed without that attestation, and the same section requires owners of short-term rentals to hand renters a copy of the City's Good Neighbor Policy, trash pickup times, parking spots and the City's noise and nuisance ordinances at each rental. The Code Official may enter the property under § 556-4.A(8) at any reasonable time to inspect it, and a false attestation about the working carbon monoxide detector counts as fraudulent information under § 556-4.A(7)(a), which is cause to suspend or revoke the registration in addition to the Chapter 556 penalties for the underlying violation.

Violations & Fines

Registering a rental without the required carbon monoxide detector, or filing a false sworn attestation that one is installed and working, violates Chapter 556 under § 556-4.B: a $200 minimum civil fine for a first offense, $350 for a second, and a third offense is a misdemeanor punishable by up to $500 or 90 days in jail, treated as a nuisance per se.

Frequently Asked Questions

Do Royal Oak landlords have to certify a working carbon monoxide detector?
Yes. Section 556-4.A(3)(g) of the Royal Oak City Code requires a sworn attestation on the rental registration application that the dwelling has a functional carbon monoxide detector, along with a working smoke detector and a fire extinguisher on each occupied floor.
What kinds of carbon monoxide detectors satisfy the requirement?
The ordinance accepts a battery-powered unit, a plug-in unit with or without battery backup, one hardwired into the property's AC power with secondary battery backup, or a detector connected to a system through a control panel, as long as it is functional.
What happens if a landlord lies about having a carbon monoxide detector?
A false attestation is fraudulent information on the registration application, which § 556-4.A(7)(a) lists as cause to suspend or revoke the rental registration, on top of the civil and misdemeanor fines Chapter 556 imposes for the violation itself.

Sources & Official References

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