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Stove Problem · San Mateo, CA

Gas Smell From Your Stove? Safety Steps to Take First

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If your stove smells like gas, natural gas may be escaping, and it should never be ignored. That rotten-egg or sulfur odor is a scent deliberately added to natural gas so a possible leak is easy to notice. If you smell gas near your stove in San Mateo, your safety comes first; SanMateo FixHub can help diagnose the stove itself only after the gas utility has confirmed the situation is safe.

A brief, faint whiff of gas as a burner lights is common and usually clears within seconds. What warrants concern is an odor that lingers, grows stronger, appears when no burner is on, or comes with a burner that clicks but will not light. In those cases, follow the safety steps below before anything else.

Safety First

  • Stop using the stove immediately and turn off all burner knobs if you can do so safely.
  • Do NOT operate light switches, appliances, or anything electrical, and do not use any flame, lighter, or match.
  • If the smell is faint, open a nearby window or door to ventilate the area; if it is strong, do not stop to do this and leave right away.
  • Do not use your phone while inside the area where you smell gas.
  • If the smell is strong, leave the area right away and take others with you, leaving a door open as you go.
  • From a safe location away from the odor, call PG&E's gas emergency line at 1-800-743-5000, or call 911.
  • Do not turn the gas or appliances back on yourself; wait for the utility or a qualified professional to confirm it is safe.
  • Once the leak source is confirmed and the area is safe, contact a qualified stove technician such as SanMateo FixHub for any needed stove repair.

Likely Causes

These are common possibilities — an on-site check is the only way to confirm what's happening with your stove.

A burner left slightly open

A knob turned partway on, or bumped without igniting, can release unburned gas. This is one of the most common and easily overlooked sources of odor.

Slow-lighting burner

A burner that takes several seconds to catch releases a small amount of gas before ignition, which can produce a brief smell each time.

Worn burner valve or seal

A valve or seal that no longer closes fully can allow a small, steady release of gas even when the burner is off.

Loose gas connection

A fitting or connection behind or beneath the stove that has loosened over time can let gas escape and needs professional inspection.

Incomplete combustion

A burner producing a weak or yellow flame may not be burning gas fully, which can create odor and warrants a closer look at the burner.

What Should You Do Next?

  1. 1Treat safety first: follow the steps above before troubleshooting anything.
  2. 2Check that all knobs are fully in the off position once it is safe to do so.
  3. 3Note when the smell occurs, such as only while lighting a burner, when a burner will not light, or constantly.
  4. 4After the utility confirms the area is safe, contact SanMateo FixHub to inspect the stove.

The Fix For This Problem

This symptom usually points toward gas stove repair. See how that service works or request help and we'll guide you.

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Gas Smell From Stove: FAQs

Is a slight gas smell when lighting the burner normal?
A faint, brief odor as the burner ignites is common and should clear within seconds. An odor that lingers, strengthens, or appears when no burner is on should be treated as a possible leak.
Who do I call if I smell gas in San Mateo?
From a safe location away from the smell, call PG&E's gas emergency line at 1-800-743-5000, or 911 if the odor is strong or you feel unwell. Have the stove looked at only after the area is confirmed safe.
Can I keep using my stove if I smell gas sometimes?
No. Stop using the stove until the source is identified. A recurring gas smell can indicate a valve, seal, or connection issue that needs professional inspection.
My gas stove won't light but I smell gas. What should I do?
Stop trying to light it. A burner that clicks but will not light can release unburned gas, and repeated attempts risk igniting it. Turn the knob fully off, avoid flames and sparks, ventilate or leave if the smell is strong, and call PG&E at 1-800-743-5000 or 911. Once the area is confirmed safe, have the burner's igniter and valve inspected.
How do I know if my stove has a gas leak?
A gas leak from a stove often shows up as a rotten-egg or sulfur smell that lingers or appears when no burner is on, sometimes with a hissing sound or a burner that smells of gas without lighting. Any of these means you should stop using the stove and follow the safety steps above; only PG&E or a qualified professional can confirm and locate a leak.

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