Translate
News and events
Find the latest news stories, press releases, and upcoming event information from the Hazardous Waste Management Program.
Featured news
Upcoming events schedule
EVENT
Wastemobile - Carnation/Duvall
Tolt Macdonald Park
3600 Block of Tolt Ave | Carnation, WA 98014
November 1, 2025
10:00 a.m. to 5:00 p.m.
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 the Wastemobile page for a list of accepted items, limits, and restrictions.
EVENT
Natural Yard Care - Planning Your Garden for the Growing Season
KCLS - Newport
14250 SE Newport Way | Bellevue, WA 98006
November 3, 2025
1:00 p.m. to 3:00 p.m.
Join Horticulturist and Natural Yard Care Specialist, Laura Matter, to plan your garden! Fall is the perfect time to reflect, take notes, and tackle seasonal tasks to support soil health for long-term garden success. Laura has 36 years of experience working with the Tilth Alliance and the King County Garden Hotline.
For adults.
Join us for the Gardening Lecture Series every month from October through April.
Hill' n’ Dale Garden Club meets on the first Monday of each month from 1-3pm. The first hour is with a special guest speaker. Gardeners of all skill levels welcome.
Registration is not required.
Sponsored by the Hill n’ Dale Garden Club
EVENT
Natural Yard Care - Microgreens
Upton Flats Apartments
6070 35th Ave SW | Seattle, WA 98126
November 4, 2025
11:00 a.m. to 1:00 p.m.
Microgreens are nutritious, delicious, and easy to grow, even on a balcony or windowsill. Learn how with experts from the Garden Hotline.
EVENT
Natural Yard Care - Growing Oyster Mushrooms at Home
KCLS - Fairwood
17009 140th Ave SE | Renton, WA 98058
November 5, 2025
5:30 p.m. to 7:00 p.m.
Make mushroom magic at home! Oyster mushrooms are easy to grow on your kitchen counter. Learn a little about the world of fungi including what benefits they have to a sustainable world. Make a kit to take home and sprout some you can eat!
Find more event information
EVENT
Natural Yard Care - Growing Oyster Mushrooms at Home
Renton Seventh Day Adventist Church
1031 Monroe Ave NE | Renton, WA 98056
November 8, 2025
1:30 p.m. to 3:30 p.m.
Oyster mushrooms are easy to grow on your kitchen counter! Learn a little about the fabulous world of fungi, including what benefits they have to a sustainable world.
EVENT
Natural Yard Care - Growing Houseplants Naturally
KCLS - Skyway
12601 76th Ave SE | Seattle, WA 98178
November 18, 2025
6:30 p.m. to 8:00 p.m.
Houseplants can help keep the air in your home free of contaminants, relax us and beautify our environment. Learn about the best soil, pot and plant choices for your home and practice potting up small starts into a larger container to take home with you. Starting small saves money and gives you the fun of growing plants in their home!