Funding search
Find who already funds work like yours.
Private foundations don’t post open calls, so nobody can search them. We read IRS filings instead — 9.6 million grants from 174,053 foundations and grantmaking charities, searchable by what the money was actually for.
12 funders with a record of paying for “compost”
Where the money went
Zero FoodprintSan Francisco, CACharity · may take applications
32 matching grants · $598,005 · through 2024Largest: $11,912 to GREENWASTE Z-BEST COMPOSTING — compost connector
Environmental Research & EducationRaleigh, NCCharity · may take applications
5 matching grants · $567,300 · through 2024Largest: $120,000 to ENGINEERED COMPOST SYSTEMS — research grant-compost facility air emissions
International Biodegradable ProductsNew York, NYCharity · may take applications
7 matching grants · $63,875 · through 2024Largest: $15,500 to US COMPOSTING COUNCIL — to sponsor composting summit
Largest: $40,000 to LA COMPOST — support for the operations, programming, and expansion efforts at the organization's community-based composting sites and regional hubs.
Largest: $10,000 to SNUG HARBOR CULTURAL CENTER & BOTANICAL GARDEN — educational programs and compost
Largest: $20,000 to THE FRIENDS OF HOLLY HILL FARM INC — creating a more climate resilient quincy through community gardens and composting food waste.
Largest: $75,000 to CAMBIUM CARBON — cambium carbons reforestation hub model upcycles fallen trees to new use, generating revenue to support forest restoration. by creating end markets for urban wood products (eg. lum…
Largest: $161,500 to LA COMPOST — raising awareness about plastics pollution, advancing sustainable materials, advancing diversity and equity in the environmental movement
Largest: $142,500 to Sunshine Community Compost — to support education and action programs that increase composting.
Largest: $25,000 to SYLVESTER MANOR EDUCATIONAL FARM — expand composting and food waste diversion program: localized compost production, nutrients cycling and waste reduction
Sustainable CtBozrah, CTCharity · may take applications
4 matching grants · $31,500 · through 2024Largest: $9,000 to CT RC&D — 2024 ct compost conf
Largest: $50,000 to TETON COUNTY INTEGRATED SOLID WASTE AND RECYCLING — recycling, composting, and waste diversion
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Source: IRS Form 990-PF Part XV and Form 990 Schedule I, tax years 2019–2025. These are grants already paid, a record of what an organization funds rather than an open call. Private foundations rarely accept unsolicited applications and the route in is usually a program officer; grantmaking charities and associations more often run real application cycles, so check their website. How this data is built, and its limits →