Massachusetts requires a state fire marshal license and local fire chief permit to store flammable gases including propane above specified threshold quantities.
G.L. c. 148 Sections 9 and 13 require a license from the local licensing authority with state fire marshal approval to keep, store, manufacture, or sell more than specified quantities of flammable liquids and gases including LP-gas. Residential propane tanks under 41 pounds water capacity are generally exempt, but larger installations require permits and must comply with 527 CMR 1.00 (Massachusetts Comprehensive Fire Safety Code), which adopts NFPA 58 with state amendments uniformly across all municipalities.
Unlicensed storage or installation violates state fire code and exposes operators to fines and tank removal orders by the fire marshal.
See how North Plymouth's propane storage rules stack up against other locations.
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