Visit the following websites for recycling locations:
The City of San Diego accepts propane gas cylinders at its Household Hazardous Waste (HHW) Transfer Facility by appointment only.
The following gas cylinders are NOT accepted at the City's HHW Transfer Facility:
SCUBA Tanks (breathing air)
Supplied Air Tanks
Acetylene (or any welding gases)
For assistance with the proper disposal of these types of cylinders, please call the Environmental Services Department at 858-694-7000.