Why oil dealers are turning tanks away this year
Nobody publishes a count of refused oil deliveries, and anyone who gives you a number is guessing. What can be checked is why a dealer would say no this fall to a tank that was filled last year.
Updated October 2026
The price sent people shopping
The state's weekly survey had heating oil at an average of $6.08 a gallon on September 28, 2026. A year earlier it was $3.52. Filling an empty 275-gallon tank, which takes about 250 gallons, went from roughly $880 to roughly $1,500.
At that price people who have used one company for twenty years start calling around. Some drop automatic delivery so they can decide when to spend the money. Either way they end up on the phone with a dealer who has never seen their basement.
To that dealer you are a new address with an unknown tank. A company that has filled the same tank every winter since it was installed knows what it looks like. A new one does not, and usually wants to look before the first delivery. Some decline instead of sending someone out.
The tanks are getting to the age the state warns about
MassDEP's guide for homeowners says indoor tanks generally do not last more than about 30 years, and often less. It also says they rust from the inside out, which is why a tank can look fine and still be near the end.
The houses here are older than the tanks. The Census Bureau's latest figures put the median home in Braintree at 1957, Quincy at 1958 and Weymouth at 1964. In most of them the original tank is long gone, and a replacement put in during the 1990s is reaching 30 now. A tank installed in 1996 had its thirtieth birthday this year.
The company that delivers can end up paying for the spill
MassDEP's guidance to oil companies says that when a delivery goes wrong, the company that made the delivery bears part or all of the responsibility for cleaning it up. State law holds the homeowner responsible too, whoever was at fault. A 2001 MassDEP survey of homeowners found a typical cleanup cost $20,000 to $50,000, and more when oil reached groundwater. Sixty-five heating oil releases at homes were reported to MassDEP in 2025.
Set a $1,500 sale against a $50,000 cleanup and the cutoff makes sense from the dealer's side of the phone. It does not help the household that is at a quarter tank in October.
Two things that get a tank refused at any age
The first is the whistle. Where the vent line leaves the top of the tank there is a small whistle that sounds while the tank fills and stops when it is nearly full. Drivers fill by ear. Most companies will not pump into a tank that does not whistle.
The second is the oil line. Since 2011 Massachusetts has required a sleeve or an oil safety valve on oil lines that touch the basement floor in one- to four-unit homes, and a technician signs a certificate when it is done. A dealer taking on a new customer may ask to see it. The rule is explained here.
What a refusal is not
It is not a finding by the state or the fire department that the tank is unsafe. The state's 30-year figure is guidance, not a deadline, and the oil line rule says nothing about a tank's age.
Each company sets its own cutoff, which is why the answer changes from one dealer to the next. A tank refused over the phone on Monday can be filled on Wednesday by someone who came and looked at it.