How Do You Shut off Gas After Structural Fire Damage?
Last updated October 26, 2026
The short answer
Find the Main Gas Shutoff Valve
The main gas shutoff valve is typically located at the gas meter, which may be outside your home or in a utility area. It is a rectangular valve that requires a wrench to turn. Familiarize yourself with its location before an emergency, so you can act quickly if needed.
If you live in Port St. Lucie, keep the shutoff valve location written down and share it with household members. After a structural fire, the valve may be damaged or hard to reach, so knowing where it is can save time. If you cannot safely access it, leave the area and call your gas utility.
- Look for a valve on the pipe leading into the gas meter
- It usually requires a quarter turn to shut off
- Use a wrench or a special key if needed
- If the valve is hot or damaged, do not touch it
- If you smell gas, evacuate immediately and call from outside
Turn the Valve a Quarter Turn
Once you locate the valve, turn it a quarter turn so that the lever is perpendicular to the pipe. This stops the flow of gas. Do not use force if it does not turn easily, as that could indicate damage or a broken valve.
After turning, do not turn the gas back on yourself. Only the gas utility or a qualified professional should restore service, because the system may have leaks or damage from the fire. Leave the valve off until an inspection is done.
Safety After a Fire
Structural fire damage can weaken walls, ceilings, and gas lines. Even if you do not smell gas, there may be hidden leaks. Do not re-enter the building until emergency personnel say it is safe. If you feel unwell or experience symptoms like headache or nausea, see a doctor.
The fire may have compromised other utilities, like electricity and water. Shut off the main electrical breaker if it is safe to do so, and check for water leaks. These steps help prevent further damage while you wait for professional help.
- Do not light matches or use lighters
- Do not switch on lights or appliances
- Open windows to ventilate if you are inside and safe
- Leave the door open as you exit
- Call your gas utility from a neighbor's home or outside
When to Call the Pros
After a fire, you need a professional to assess structural integrity and gas line safety. Local water damage pros can help with structural drying and repairs, but gas work requires a qualified plumber or a gas utility professional. Do not attempt to fix gas lines yourself.
The pros can also handle water damage from firefighting efforts, which is common after a structural fire. They use specialized equipment to dry out walls and framing, preventing mold and further deterioration. This is crucial in humid climates like Port St. Lucie, where moisture lingers.
Document Damage for Your Insurance
Before any cleanup, take photos of all damage, including the gas valve and meter. This helps your insurance company understand the situation. Policies vary, and your insurer decides what is covered. Check your policy to see what steps are required for a claim.
Keep records of any expenses, like a hotel stay or emergency repairs. A detailed list of damaged items will make the claims process smoother. The pros can provide an assessment of structural damage, which you can share with your insurer.
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Call Now (772) 758-7923Frequently asked questions
What if I can't find the gas shutoff valve?
If you cannot locate the valve, do not search for it during an emergency. Leave the building immediately and call your gas utility from outside. They can shut off the gas remotely or send a professional to do it safely.
Can I turn the gas back on myself after the fire?
No. Only the gas utility or a qualified professional should restore gas service after a fire. There could be leaks or damage that are not visible. Have the system inspected before turning it back on.
What should I do if I smell gas inside the house?
Leave the house right away and do not touch any electrical switches or appliances. Do not use your phone inside. Once outside, call your gas utility and emergency services. Do not re-enter until they say it is safe.
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