We did have an oil tank removed from the ground near the gas line, but this was done over 4 years ago.
Last year, our county nspected our sewer line and they found a leak. They repaired it and hopefully the leak is no more.
Would a sewer smell like a fishy smell? And would it come and go within a short time?
We will make a note of whether the smell coincides with any plumbing use as in toilets, laundry or showers and running water in general.
We have a gas line which is away from the steps and have had a furnace installed around 4 years ago after the oil tank removal.
Again, would a gas leak smell like old fish and only last a short time?