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Master Composter Certificate Program

Become a New York City Certified Master Composter. Have fun and make new friends while helping your community!

The Master Composter Certificate Program is a "train-the-trainer" program with a community service component.  The course is for residents who would like to help the NYC Compost Project increase and promote composting in NYC. 

This course covers the following topics:

  • the small-scale composting process
  • how to use finished compost
  • how to design and build on-site compost systems
  • techniques for teaching others about composting

Anyone who has an interest in composting can become a Master Composter! The prerequisites are an enthusiasm for acquiring and sharing knowledge about composting and the interest and time to participate. Master Composters are valued volunteers trained to educate the public and stimulate enthusiasm for home composting.  

Master Composter Course Requirements:

  • 24 hours of classroom instruction
  • 2 off-site field trips
  • 30 hours of community service helping to advance small-scale composting in NYC
  • Course material is $40 (limited scholarships are available)
  • Applicants must be at least 18 years of age

Participants design projects according to their interests; projects might include giving classes at schools, building compost bins at community gardens, giving workshops at block parties, creating a community compost site or working to improve current NYC Compost Project Community Compost Sites.

Eligibility: Participants must live or work in New York City.

Fee: Course material fee $40; limited scholarships are available.

Deadline: Sunday, February 7th. Apply online.

Class dates and time: Six Wednesdays, 6pm to 9pm: March 16, 23, 30; April 6, 13, 20.
Two Saturdays, 10am to 1pm: April 2 and 9.

Field trips: 2 weekend field trips, dates and locations TBD.

Location: Queens Botanical Garden.

Contact the NYC Compost Project hosted by Queens Botanical Garden staff by email or phone 718.539.LAWN (5296) with your questions.

The NYC Compost Project works to rebuild NYC's soils by providing New Yorkers with the knowledge, skills and opportunities they need to produce and use compost locally.  The project is funded and managed by the
NYC Department of Sanitation's Bureau of  Recycling & Sustainability
. Learn more at


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