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Customer Service

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Customer Service

Household Hazards Line
Toll free 1-888-TOXIC ED, 1-888-869-4233

The Household Hazards Line staff provide King County residents with information on how to properly dispose of their household hazardous waste, and to use less toxic alternatives to household hazardous materials.  For more information visit

Residents can contact the Household Hazards Line, Monday to Friday, except holidays, from 9:00 a.m. to 4:30 p.m.

Business Waste Line
TTY 711 Relay

The Business Waste Line staff provide small business owners in King County with information on how to properly manage and dispose of their hazardous waste.  For more information visit,

Business owners/managers can contact the Business Waste Line, Monday to Friday, except holidays, from 9:00 a.m. to 12 noon and 1:00 p.m. to 4:30 p.m.

The Garden Hotline

The Garden Hotline staff provide King County residents with information on environmentally friendly lawn and garden care. For more information visit

King County residents can contact the Garden Hotline, Monday through Saturday, except holidays, from 9:00 a.m. to 5:00 p.m.

*Interpreters available. Please be patient while we locate an interpreter.