[T.B. Yoits]

Those gas grills for apartment balconies are outright illegal in many jurisdictions.

Forget just the landlord and the insurance company. If the fire department is aware of propane tanks on balconies, the fire chief will order the building evacuated and revoke the Certificate of Occupancy if they're not removed.

[TexasGator]

“Those gas grills for apartment balconies are outright illegal in many jurisdictions.”

And legal in other areas