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Foundations / Maine

Onion Foundation

Accepts applications Auburn, Maine · EIN 471289795

Onion Foundation is a private foundation in Auburn, Maine. In tax year 2024 it gave $4.4 million in 245 grants; the typical grant was $15,000 and the largest $625,000. It accepts applications; its filing gives the instructions below.

From its IRS Form 990-PF for tax year 2024.

Giving in 2024 was up from $3.3 million the year before.

49% of its 2024 grantees had not received a grant from it the year before, a sign it is open to new organizations.

Giving by year

Tax yearGrants paidNumber of grantsAssets
2023$3.3 million208$64.8 million
2024$4.4 million245$63.6 million

How to apply

ContactOnion Foundation
2 Great Falls Plaza Box 7, Auburn, ME 04210
Phone or email(207) 221-0272, info@onionfoundation.org
What to submitTo submit an application, applicants may go to the Foundation's online grant portal to set up an account: https://www.onionfoundation.org/for-grantees Onion Foundation offers grants through its Arts Program and its Environment Program. Please review the appropriate program page to learn more about our strategies and find what is right for your organization and project. Our Grants Awarded pages have information about projects and organizations that have received grants from Onion Foundation. If your organization is a good match, consider contacting us to discuss your application and proposal. We encourage new applicants to discuss their ideas and plans with foundation staff before applying.
DeadlinesApplication links are posted on the program pages when the application period is open.
RestrictionsTo apply for and receive a grant, your organization must be a 501(c)3 public charity as designated by the IRS, operate under a fiscal sponsor that is a qualified 501(c)3 public charity, be a public education institution, or be a Maine governmental unit. We strongly encourage fiscally sponsored applicants to discuss their proposal ideas with a program officer before writing their application.

As written in the foundation's IRS filing for tax year 2024. Details may have changed since.

Foundation website IRS filings on ProPublica

What Onion Foundation funds

Where it gives

Its grants went to recipients in 7 states, the most to Maine.

StateGrantsAmount
Maine233$4.1 million
Massachusetts5$89,180
Vermont2$80,000
New York2$35,000
New Hampshire1$30,000
California1$25,000
Virginia1$20,000

Grants paid in 2024

The 40 largest of 245 grants
RecipientPurposeAmount
Momentum Conservation
Portland, ME
To provide technical and financial support to land trusts$625,000
Maine Association of Nonprofits
Portland, ME
To support the Cultural Alliance of Maine's arts and for culture advocacy$88,000
Maine Environmental Education Association
Brunswick, ME
To conduct a landscape analysis of Maines Youth Climate Movement$75,000
New Learning Journey
Fayston, VT
To support the First Light program in increasing access to land and water for Wabanaki people$75,000
Maine Mathematics and Science Alliance
Augusta, ME
To support the professional development of educators$71,000
Mayo Street Arts
Portland, ME
To provide general support$57,500
Maine Audubon
Falmouth, ME
To expand science-based environmental education to Lewiston and Bangor schools$52,500
Maine Initiatives
Portland, ME
To support the Maine Outdoor Equity Fund$50,000
SPACE Gallery
Portland, ME
To support a weekend-long gathering for the Maine dance community$42,500
Maine Lakes
Yarmouth, ME
To provide general support$41,000
Maine GearShare
Brunswick, ME
To provide general support$40,000
President And Trustees Of Bates College
Lewiston, ME
To support the Bates Dance Festival$40,000
Wabanaki Public Health and Wellness
Bangor, ME
To support the ongoing development and sustainability of its fundraising team$40,000
OUT Maine
Rockland, ME
To support an arts retreat at Haystack for Maine LGBTQ+ high school students$35,000
Appalachian Mountain Club
Boston, MA
To support the Maine Woods Community Youth and Environment Program$30,000
Climate Change for All Educators Inc
Valley Cottage, NY
To establish the Maine Climate Education Hub$30,000
Maine Coast Heritage Trust
Topsham, ME
To support Maine Land Trust Network's Land Trust Census$30,000
New England Grassroots Environment Fund Inc
Newmarket, NH
To support grantmaking and convening in Maine$30,000
Rippleffect
Portland, ME
To support the ROLE program$30,000
The Climate Initiative
Kennebunkport, ME
To launch the Maine Collegiate Climate Policy Institute$30,000
Wild Seed Project
North Yarmouth, ME
To implement experiential ecology programs in schools with accompanying teacher training$30,000
Lake Stewards of Maine
Auburn, ME
To support general operations and professional development$27,000
Northeastern University
Boston, MA
For the Roux Institute to help environmental nonprofit organizations develop income$27,000
University of Maine Foundation
Orono, ME
To support training for teachers to bring their classroom outdoors$25,700
Chewonki Foundation Inc
Wiscasset, ME
To enable Maine students to participate in the Outdoor Classroom$25,000
Friends of Katahdin Woods and Waters
Portland, ME
To support the Katahdin Learning Project$25,000
Gateway Community Services Maine
Portland, ME
To support transportation, lodging, and staffing for outdoor experiences$25,000
Kennebec Estuary Land Trust
Bath, ME
To support the Maine Trails Coalition$25,000
Lakes Environmental Association
Bridgton, ME
To provide general support$25,000
Maine Community Integration
Lewiston, ME
To support programs that connect youth and adults to the outdoors with field trips and education$25,000
Maine Public
Lewiston, ME
To enable the Climate Desk to hire a full-time editor$25,000
Natural Resources Council of Maine (NRCM)
Augusta, ME
To provide general support$25,000
Quebec-Labrador Foundation
Farmington, ME
Trail assessments and training on access for people with disabilities$25,000
Schoodic Institute at Acadia National Park
Winter Harbor, ME
To expand the Schoodic Education Adventure for underserved Maine schools$25,000
Sierra Club Foundation
Oakland, CA
To support education and mobilization activities conducted by Sierra Club Maine$25,000
The Ecology School
Saco, ME
To provide Maine students with immersive ecology education$25,000
Tree Street Youth
Lewiston, ME
To expand three outdoor programs for youth of all ages$25,000
Cobscook Institute
Trescott Township, ME
To expand the Midden Minders program to engage more students in Washington County$23,000
Khmer Maine
Portland, ME
To host a monthly series of Indigenous learning events and outdoor trips$22,500
The Allagash Wilderness Waterway Foundation
Casco, ME
To develop the canoe and leadership skills of Wabanaki Youth$22,000

Officers and trustees

As listed in Part VIII of the 2024 filing.

Questions people ask

Does Onion Foundation accept grant applications?

Yes. Its latest IRS filing says it accepts applications, with this on deadlines: Application links are posted on the program pages when the application period is open..

How much does Onion Foundation give?

$4.4 million in tax year 2024, across 245 grants, with a typical grant of $15,000.

Who runs Onion Foundation?

Its 2024 filing lists Frederick Onion (Trustee), Susan Onion (Trustee) and Alene Onion (Trustee (start 2024)).

What does Onion Foundation fund?

Based on its grants, mainly environment and conservation, arts and culture and education.

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