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Sonoma County Waste Management Agency

Home composting

Home composting

Business food waste composting
Visit commercial food waste composting

You can make your own compost at home—pile or worm composting—or put your compostable items in the curbside yard debris cart for the municipal composting program.

Help for the home gardener. Ask an expert! Ask a Sonoma County Master Gardener (707) 565-2608 or email

Master Gardener volunteers are trained and certified by the University of California, Cooperative Extension. Workshops and seminars are given regularly at various libraries.

Bin/pile information
Practice home composting by using homemade or manufactured bins.

Homemade bins can be constructed out of scrap wood, chicken wire, snow fencing or even old garbage cans (with holes punched in the sides and bottom). Manufactured bins include turning units, hoops, cones, and stacking bins. These can be purchased from your garbage company, retail or mail-order businesses. For more information about homemade bins, visit the Sonoma County Master Gardeners.

Worm composting
Worm composting or vermicomposting is the practice of using worms to make compost. The word vermi is the Latin word for worm, and worms like to feed on slowly decomposing organic materials (e.g., vegetable scraps). The end product, called castings, is full of beneficial microbes and nutrients, and makes a great plant fertilizer.

For worms and worm bins, contact the following:

Compost Club
(707) 922-5778

Mass Wiggle
(415) 425-4592

Sonoma Valley Worm Farm
(707) 996-8561

If you have grass clippings and don't want to use them in a compost pile you can leave them on the lawn to decompose. Visit CalRecycle for more information about grasscycling.

Sonoma County Waste Management Agency ● 2300 County Center Drive, Suite B-100 ● Santa Rosa, CA 95403