The short answer
Homes with a heating oil tank face extra questions because a leak can contaminate soil and groundwater, and cleanup on your land or a neighbour's is expensive and slow. Insurers usually ask the tank's age, where it sits, what it is made of and when it was inspected. Some limit cover for fuel oil escape or exclude pollution. Gather the tank's nameplate, inspection and removal records, and a licensed broker can find insurers that fit.
- Owners of rural, acreage or older urban homes still heated with oil
- Buyers who learned of a buried tank from a sweep or the seller
- Anyone who converted to gas but never removed the old tank
- Owners told by their insurer or fuel supplier that the tank is too old
4 licensed brokers in the network handle this. In Alberta, Canada, a request for oil tank insurance can be offered to up to three of them, chosen because they are licensed for this line and place. They are test brokers while we are in demo.
See the brokers → Outside Alberta, Canada you can prepare and save a request today; sending opens place by place. Brokers answer with their own quotes. Broker.insure does not quote, advise or take commission.
01 / What it covers
The parts worth understanding
Fuel oil escape
Damage from oil leaking out of the tank, lines or furnace. Where offered, it is often a separate option or a limited amount, and cleanup of soil may be treated differently from damage to the building.
Pollution and environmental exclusions
Many home policies exclude or tightly limit pollution. Read how the wording treats oil reaching soil, groundwater, a well or a neighbouring property.
Liability to neighbours
If oil migrates off your property, a neighbour or the municipality may claim against you. Ask how the policy's liability section responds to pollution from your own tank.
Tank age and replacement
Insurers commonly ask the tank's age and some set an age after which they want it replaced. The year on the nameplate or the installation invoice is what settles it.
Abandoned and buried tanks
A tank no longer in use but left in the ground can still leak. Insurers usually want it removed, or decommissioned and documented, by a qualified contractor.
Installation standards
Tanks and lines are expected to be installed to the applicable code by a certified technician. Records from the fuel supplier or installer help show this.
02 / Get ready
Bring this, and expect these questions
Gather
- The tank's nameplate details: manufacturer, the standard it was built to and the year of manufacture
- Where the tank sits: in the basement, outside above ground, or buried
- Whether it is single-wall steel, double-wall or another material
- The most recent inspection report from a fuel supplier or certified oil technician
- Records of any leak, spill or soil test on the property
- For a removed tank: the removal certificate or closure report and any soil test results
- For a buried tank found at purchase: the sweep or scan report and the seller's disclosure
- The fuel supplier's name and how often the tank is filled
- Whether the home has a private water well nearby
A broker will ask
- How old is the tank, and how do you know?
- Is it inside the house, outside above ground or underground?
- Is it still in use, or is it abandoned?
- When was it last inspected, and by whom?
- Has there ever been a leak, a spill or an oil smell?
- Is there a private well, a stream or a neighbour's home close to the tank?
- If a tank was removed, do you have the removal certificate and soil results?
- Do you plan to convert to another heating source?
Not sure of an answer? Leave it. "Not known yet" is a fine answer, and a broker will help you fill it in.
03 / Build your request
Answer a few questions. Get your own list.
Pick what fits. Your answers shape the list beside them, and they are saved to your request as plain facts a broker can read. "Not sure yet" is always a fine answer.
04 / Three situations
See which one sounds like yours
A buyer who found a buried tank before closing
A metal-detector sweep ordered during the purchase of a 1950s house found an old underground tank in the side yard. The house has been on gas for decades and nobody knew the tank was there.
First steps. Ask the seller to arrange removal or decommissioning by a qualified contractor with soil testing before closing, if the contract allows. Get the sweep report and any removal certificate to the broker and ask how insurers will treat the property until the tank is gone.
An acreage owner with an aging basement tank
A rural home is still heated by an oil furnace with a steel tank in the basement. The fuel supplier has flagged rust on the legs and the insurer has asked for the tank's age at renewal.
First steps. Photograph the nameplate and get the supplier's inspection in writing. Ask a certified technician to quote a replacement tank, then give both to the broker and ask whether insurers would continue cover with a replacement plan and what fuel oil escape option is available.
An owner who converted but left the tank
An owner switched to a heat pump three years ago and stopped buying oil, but the outdoor above-ground tank and its line into the basement are still in place with some oil left inside.
First steps. Arrange for a contractor to pump out the remaining oil and remove the tank and line, and keep the paperwork. Tell the broker the heating has changed and send the removal record, so the insurer's file stops showing an active oil system.
05 / Words you will hear
The jargon, in plain words
- Heating oil tank
- A tank that stores fuel oil for a furnace or boiler. It may sit indoors, outdoors on a base, or be buried in the yard.
- Fuel oil escape
- Oil leaking from a tank, its lines or the furnace. Policies that offer this protection often do so as an option with its own limit.
- Decommissioning
- Taking a tank permanently out of service, usually by emptying, cleaning and either removing it or filling it in place, with a written record.
- Removal certificate
- The contractor's record that a tank was removed or decommissioned, often with soil test results. It is the proof buyers and insurers ask for.
- Pollution exclusion
- Policy wording that removes or limits cover for contamination of soil, air or water. It matters a great deal for oil leaks.
- Tank sweep
- A scan of a property with a metal detector or similar tool to find buried tanks or fill pipes before buying.
06 / Common mistakes
What trips people up
- Assuming a tank that is no longer used does not need to be mentioned.
- Losing the removal certificate, which is often the only proof a tank is gone.
- Not checking the policy wording on pollution and fuel oil escape before a leak happens.
- Guessing the tank's age instead of reading it from the nameplate or installer's invoice.
- Skipping a sweep on an older property where the history of heating is unknown.
Ready when you are
Turn this into one clear request.
Save it, add what you know, and choose when to send it. A licensed broker who handles oil tank insurance takes it from there.
07 / Questions people ask
Straight answers
Can I get home insurance with an oil tank?
Often, yes, depending on the tank's age, location, construction and condition. Insurers commonly accept newer above-ground tanks that are inspected and installed to code, and ask more of older or buried ones. Some will only offer cover once a tank is replaced or removed. A broker can show which insurers will consider the home and what they will want first.
What is an oil tank removal certificate?
It is a document from the contractor who removed or decommissioned a tank, usually naming the property, the date, the tank size and what was done with it. It may include soil sample results showing whether contamination was found. Keep it with your house papers; a buyer, a lender and an insurer may each ask to see it.
Are oil leaks covered by home insurance?
It depends on the policy. Sudden damage to the building from escaping oil may be covered in some wordings, sometimes as an option. Cleanup of soil and groundwater is frequently excluded or capped under pollution wording. Ask the broker to walk through what each policy would pay for, including damage that spreads to a neighbour.
What happens if I find a buried oil tank when buying a house?
Treat it as something to resolve before closing if you can. Ask for the tank to be removed or properly decommissioned by a qualified contractor, with soil testing, and for the paperwork to be handed over. Talk to your lawyer about the contract and to a broker about how insurers will view the property in the meantime.
Why does the age of an oil tank matter?
Steel tanks can corrode from the inside, where water condenses, and from the outside, especially when buried. The risk of a leak rises as a tank ages, so insurers ask for the year. The nameplate usually shows it; if not, an installation invoice or a technician's estimate is the next best evidence.
Does an oil tank affect a neighbour's claim against me?
If oil from your tank reaches a neighbouring property, the neighbour may pursue you for cleanup and damage. Whether your policy responds depends on its pollution wording and limits. Ask the broker specifically how liability for migrating fuel oil is treated, because it is one of the areas where policies differ most.
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General information, not insurance advice. Broker.insure is a directory and request service: it is not an insurer and does not quote, bind or advise. Policy terms, availability and what is required where you live depend on your situation and on licensed professionals. Updated 2026-10-31.