Steve,

I thought I had a copy of the drawing which shows the clearances for different size gas storage tanks, but I can't find it. Bob H., has one, and maybe some other saved his.

I believe that up to 125 gallon the tank can be right next to the house. the regulators need to be 5' from a building opening, which includes operable windows (horizontally and below for propane which is heavier than air, horizontally and above for natural gas which is lighter than air).

Over 125 gallon (basically meaning 250 gallon as the next standard size up from 120 gallon) the clearance from the building or any buildable lot line is 10 feet.

There is an aggregate accumulation for smaller tanks, I think it is up to 1000 gallons aggregate for smaller tanks, then they need to meet the 10 foot clearance.

Something like not, not exactly sure, though.

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Jerry Peck, Construction / Litigation Consultant
Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )