Eight vertical cylinders standing about 6 feet high, as well as another tank about three times that size sit inches away from foot traffic in a densely-packed residential neighbourhood.
It's unclear what is inside the tanks but such tanks usually contain propane or other flammable and highly-explosive gases.
These tanks could conceivably hold well over 1,000 pounds of gas in total.
Authorities were made aware of the yard in the past but have taken little action.
The man who rents the home is, according to various accounts, is sometimes belligerent and aggressive.
Many Montrealers have died over the years in gas explosions, mostly notably in the 1960s as dozens in a pair of incidents in LaSalle, while a family was blown up at Beaconsfield and Sherbrooke in NDG, as Coolopolis has recounted.
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