A 100-gallon propane tanks should be placed with a minimum distance of 5 feet from an opening of a building and a minimum distance of 10 feet from any source of ignition. 100-gallon propane tanks are mostly ideal for portable cooking, temporary heating and used to power grills and stoves.

How close can a propane tank be to a house?

10 feet The general rule, as seen in the table below, is that propane tanks should be at least 10 feet from the nearest buildings.