Empty propane or gas canisters under 2-pounds can go in your garbage.
Larger, barbeque-sized propane tanks (up to 5-gallons) must go to a household hazardous waste facility. This includes tanks that are empty or that contain any amount of propane.
For tanks larger than 5-gallons, call the Household Hazards line: (206) 296-4692.
Seattle Public Utilities Payment Mailing Address: City of Seattle | PO Box 35177 | Seattle, WA 98124-4018 Street Address: 700 Fifth Avenue | PO Box 34018 Seattle, WA 98124-4018 | (206) 684-3000 | Contact Us