Question: what do you do if you think you have a gas leak?
Answer: What to Do if You Suspect a Natural Gas Leak. If you smell a natural gas odor, hear the hissing sound of gas escaping or see other signs of a leak: IMMEDIATELY EVACUATE the area, and from a safe location either call 911 or SoCalGas at 1-800-427-2200. DON'T smoke, or light a match, candle or other flame.