Can I Sue My Landlord for Carbon Monoxide Exposure?

By Oni Harton, Esq. | Reviewed by Canaan Suitt, J.D. | Last updated on September 30, 2026

A landlord or property manager may be legally liable for carbon monoxide exposure when their negligence, such as failing to install carbon monoxide detectors or respond to known hazards, causes a tenant’s injuries. Common sources of harmful carbon monoxide exposure include faulty furnaces, water heaters, and gas appliances.

Exposure to carbon monoxide can be a hidden risk that leads to severe outcomes, such as hospitalization or neurological harm. If you believe you or a family member experienced carbon monoxide poisoning due to your landlord’s or property manager’s negligence, contact an experienced landlord-tenant attorney in your area. They can advise whether you have a viable carbon monoxide exposure claim.

Symptoms of CO Poisoning

Illnesses and symptoms of CO poisoning can include:

  • Headaches
  • Nausea
  • Vomiting
  • Confusion
  • Dizziness
  • Weakness
  • Fatigue
  • Loss of consciousness

Carbon monoxide poisoning can also cause severe neurological harm, including brain injury or long-term brain damage. When brain damage is at issue, a claim’s value and complexity may increase.

In the most tragic cases involving the loss of life, certain individuals may pursue wrongful death claims. The value of the damages available depends on the severity of the injury and the strength of the evidence.

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Liability for Carbon Monoxide Exposure

A landlord may be liable for carbon monoxide exposure if they are negligent. To succeed in a negligence claim for carbon monoxide exposure, the injured party must generally prove the following:

  1. Duty. The landlord owed a duty of care to keep the rental unit safe from carbon monoxide.
  2. Breach of duty. The landlord breached that duty through actions and inaction.
  3. Causation. The landlord’s breach of duty caused the plaintiff to sustain carbon monoxide poisoning.
  4. Damages. The carbon monoxide poisoning caused real losses, including economic and non-economic damages.

If a plaintiff can prove every element of a negligence claim, they may be able to file a lawsuit and receive compensation. The duty of care standard often extends to the following:

  • Landlords and property managers
  • Property owners and HOAs
  • Contractors or maintenance companies
  • Appliance manufacturers (product liability for a defective product)

Is the Landlord or Property Manager Liable?

The landlord must provide safe, habitable housing. Regarding carbon monoxide poisoning, common examples of negligence can include:

  • Failing to install or maintain carbon monoxide detectors
  • Ignoring repeated complaints about a blocked vent
  • Failing to address a negligent repair on a heating system caused by a contractor
  • Skipping required inspections and maintenance

A major consideration as to whether a landlord or property manager can be held liable is whether they had reasonable knowledge of the hazard. Property managers may share liability when they control the maintenance decisions and their decisions lead to an injury.

What Responsibility Does the Tenant Have?

Tenants may have obligations that may affect a claim. However, tenant fault does not automatically eliminate the potential for bringing a successful carbon monoxide poisoning lawsuit. It may simply impact the level of comparative fault, depending on state law.

Common tenant responsibilities include:

  • Reporting suspected hazards promptly and in writing
  • Not disabling or removing CO detectors
  • Allowing access for repairs and inspections
  • Properly using appliances, such as fuel-burning appliances and fireplaces

Depending on your state’s law, a tenant’s actions may reduce or otherwise affect the compensation a tenant may recover in a carbon monoxide poisoning lawsuit.

What Laws or Lease Provisions Provide Protection

A mix of federal and state statutes sets requirements for keeping you safe from carbon monoxide exposure. Understanding these protections helps you recognize when a landlord has fallen short, and whether you may have an actionable claim.

State and Local Codes and Carbon Monoxide Detector Laws

Most protections for carbon monoxide exposure start with building, housing, and fire codes. These codes often require working ventilation, safe fuel-burning appliances, and functioning carbon monoxide detectors in rental units.

Carbon monoxide detector laws vary widely by state. Some states require units with attached garages or gas appliances, while others have stricter placement requirements.

Implied Warranty of Habitability

The implied warranty of habitability is not recognized in every state, even if the lease never mentions it. The implied warranty of habitability covers a broad range of property standards. For example, a landlord must keep essential systems working and free of major hazards, including carbon monoxide risks from faulty heating, water heaters, or blocked vents.

Lease Agreement Clauses

Lease agreements vary widely and can add protections beyond what the federal, state, or local law requires. Carefully reviewing all lease provisions can help you determine what provisions may address safety and repairs. Provisions may include the following:

  • Maintenance and repair clauses that may require timely fixes to appliances and heating systems
  • Safety and inspection provisions covering detectors and annual checks
  • Access provisions allowing the landlord to enter for repairs
  • Written disclosures about known appliance issues or prior problems.

Together, legal codes, the implied warranty of habitability, and lease terms can define your landlord or property manager’s responsibility and give you a way to proceed on solid legal grounds if negligence caused your injuries.

What Evidence Helps Prove Carbon Monoxide Exposure?

Before pursuing a carbon monoxide exposure claim, you can build a strong case with solid evidence. Without evidence to support your claim, even the best carbon monoxide attorney cannot help you prevail.

Solid evidence is the foundation of your case. Taking the time to assess the evidence honestly can help you and your personal injury attorney evaluate your case to determine its strengths and weaknesses. Evidence that strengthens a carbon monoxide exposure case includes the following:

  • Medical records and hospitalization records confirming CO poisoning and medical treatment
  • Neurological evaluations and toxicology or blood test results
  • Medical expenses relating to CO poisoning
  • EMS or fire department reports
  • Code violation notices
  • Inspection or repair records from experts or technicians
  • Written maintenance requests and responses from the landlord or property management company
  • Photos of faulty equipment or missing CO detectors
  • Witness statements

As with any litigation, you have a limited time to act. The statute of limitations determines how long you may have to bring a claim. This makes it important to speak with an experienced personal injury attorney familiar with landlord-tenant law.

What Damages Are Available for Carbon Monoxide Exposure?

When you bring a lawsuit for carbon monoxide exposure, you may be able to recover common types of damages.

  • Economic damages. Medical bills, ongoing treatment and therapy, loss of earning capacity, lost wages, out-of-pocket relocation costs.
  • Non-economic damages. Pain and suffering, emotional distress, reduced quality of life.
  • Punitive damages. Awarded in cases of extreme or willful negligence to deter and punish.

Speak with a Carbon Monoxide Poisoning Lawyer

If you or a loved one has serious or lasting effects from carbon monoxide exposure, you may benefit from involving an experienced carbon monoxide poisoning lawyer in your area. They can provide the support you need or advise you if your case has insufficient proof to support your claims. It’s best to know that early.

If you have a strong case, a trusted advocate can help you focus on recovery. At the same time, your attorney gathers evidence, calculates damages, and negotiates with the opposing party and insurance companies. Most personal injury lawyers offer free consultations.

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