The Wastemobile travels to communities throughout King County to provide hazardous waste disposal for residents and eligible businesses. There is no fee for hazardous waste disposal. Please check this event page for a list of accepted items, limits, and restrictions.

Additional information and restrictions

Limit 50 gallons per residential customer per day. No containers larger than 5 gallons.
Limit 25 gallons per business customer per quarter. No containers larger than 5 gallons. Eligible businesses must complete a disposal form prior to drop off. 

For larger quantities or unusual wastes, call the Household Hazards Line at 206-296-4692 (Mon–Fri, 9 a.m.–4:30 p.m.).

Please note that marine flares are not accepted at the Wastemobile and gas canisters are not returned to customers.

Do bring

• Aerosol cans, if full or partially full
• Automobile batteries (limit 5 batteries per customer)
• Batteries (alkaline, rechargeable, etc.)
• Butane tanks (the maximum size accepted is 5 gallons)
• Fire extinguishers
• Flares, roadside
• Fluorescent lights (limit 10 bulbs per vehicle)
• Furniture stain
• Gasoline, motor oil, and antifreeze have a 25 gallon limit per trip. Do not mix motor oil with other oil or automotive fluids.
• Glue, contact cement, rubber cement
• Household cleaners
• Hobby chemicals
• Lawn and garden pesticides
• Mercury-containing products, including thermometers and thermostats
• Oil-based paint
• Pesticides
• Propane tanks (the maximum size accepted is 5 gallons)
• Spray paint
• Swimming pool and spa supplies
• Thinners and other solvents

Do not bring

• Aerosol cans, empty
• Asbestos
• Bullets, ammunition, or gunpowder
• Cooking oil
• Computers
• Computer monitors
• Contaminated soil
• Electronics
• Empty containers
• Explosives
• Fireworks
• Garbage
• Latex paint
• Halogen or incandescent light bulbs
• Marine flares
• Medicine
• Medical sharps, needles, or syringes
• Medical waste (biomedical waste)
• Paint brushes
• Paint cans, empty
• Radioactive wastes
• Smoke detectors
• Televisions
• Tires

Please follow these guidelines to ensure the safety of all event staff and participants:

• Following state and local health department guidance, Wastemobile customers will no longer be required to wear a mask starting March 12, 2022.
• The Wastemobile is a drive-thru operation. Customers should remain in their vehicles at all times and follow directions by Wastemobile staff. 
• Customers are asked to place their hazardous waste in their vehicle’s trunk, truck bed, or trailer.