For other than one- and two-family dwellings, no hibachi, gas fired grill, charcoal grill or similar devices used for cooking, heating, or any other purpose that produce open flame, shall be used or kindled on any balcony or under an overhanging portion or within 15 feet of any structure. No hibachi, gas fired grill, charcoal grill or similar devices used for cooking, heating, or any other purpose shall be stored on a balcony. You CAN use or store an electric grill or similar appliance provided no open flame is produced.
If you live in a single-family dwelling, duplex or townhouse, the fire code does not regulate use but it is recommended that you adhere to the above provisions for your safety and the safety of your neighbors.
Reference: NFPA 1 - Uniform Fire Code, 10.11.7, 2012 edition, as amended, State Fire Prevention Code and 2006 edition, AACounty Fire Prevention Code.