Data / Foundation grants / Otter Island Foundation
Otter Island Foundation: 85 grants to organizations, $190,400 (tax year ended December 2025)
Otter Island Foundation, a private foundation in Houston, TX, paid 85 grants to organizations totaling $190,400 in its tax year ended December 2025, according to its Form 990-PF filed with the IRS on August 24, 2026. The largest was $27,000 to Connecticut College in New London, CT for education fund.
SpecStream is the live web data engine for teams and agents. It reads every private foundation's Form 990-PF as the IRS publishes it, and this page is that reading. Ask for the foundations that fund your cause in your state, with the amounts and purposes, and new grants arrive in your sheet, CRM, Slack or agent as the returns are filed.
- EIN
- 760421104
- Based in
- Houston, TX
- Assets
- $4,096,581
- Grants paid
- $191,400
- Tax year ended
- December 2025
Grants paid, tax year ended December 2025
From the Form 990-PF filed August 24, 2026, IRS object ID 202632369349100028. It reported $191,400 in grants paid; 85 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Connecticut College | New London, CT | Education fund | Education | $27,000 | apps.irs.gov |
| Island Institute | Rockland, ME | Annual fund campaign | Education | $13,500 | apps.irs.gov |
| Strand Theater | Baltimore, MD | Annual fund | Arts, culture and humanities | $12,000 | apps.irs.gov |
| Girls Foundation of Tanzania | Portland, ME | Annual fund | Human services | $11,000 | apps.irs.gov |
| Farnsworth Art Museum | Rockland, ME | Annual fund campaign | $10,000 | apps.irs.gov | |
| Hermann Park Conservancy | Houston, TX | Annual fund campaign | Environment | $5,500 | apps.irs.gov |
| First Congregational Society of Gilmanton | Gilmanton, NH | Annual fund | $5,000 | apps.irs.gov | |
| Penobscot Bay YMCA | Rockport, ME | Sustaining campaign | Human services | $5,000 | apps.irs.gov |
| Poe Elementary School Pto | Houston, TX | General fund | $5,000 | apps.irs.gov | |
| San Francisco Day School | San Francisco, CA | Annual fund campaign | Education | $5,000 | apps.irs.gov |
| Duke University | Durham, NC | Education fund | Education | $4,500 | apps.irs.gov |
| Children's Museum of Houston | Houston, TX | Annual fund | $4,000 | apps.irs.gov | |
| North Bridge Academy | Mill Valley, CA | Annual | Education | $4,000 | apps.irs.gov |
| Annunciation Orthodox School | Houston, TX | Annual fund campaign | $3,500 | apps.irs.gov | |
| Cure Alzheimer's Fund | Wellesley Hills, MA | Medical research | $3,000 | apps.irs.gov | |
| United Midcoast Charities | Camden, ME | Annual fund campaign | $3,000 | apps.irs.gov | |
| Calvary Presbyterian Church | San Francisco, CA | Annual fund campaign | $2,500 | apps.irs.gov | |
| Glide Foundation | San Francisco, CA | Annual fund campaign | Religion-related | $2,500 | apps.irs.gov |
| Houston Methodist Hospital Foundation | Houston, TX | Annual fund | $2,500 | apps.irs.gov | |
| MD Anderson Cancer Center | Houston, TX | Annual fund | $2,500 | apps.irs.gov | |
| Planned Parenthood Federation of America Inc | New York, NY | Annual fund | $2,500 | apps.irs.gov | |
| Rockwood Community Church | Rockwood, ME | Annual fund | $2,500 | apps.irs.gov | |
| American Civil Liberties Union Foundation | New York, NY | Annual fund | Civil rights, social action and advocacy | $2,000 | apps.irs.gov |
| Groton School | Groton, MA | Annual fund campaign | Education | $2,000 | apps.irs.gov |
| Mothers Against Media Addiction | New York, NY | Annual fund | Education | $2,000 | apps.irs.gov |
| Colorado Gives Foundation | Arvada, CO | Annual fund | Philanthropy, voluntarism and grantmaking foundations | $1,500 | apps.irs.gov |
| Lawndale Art Center | Houston, TX | Annual fund | $1,500 | apps.irs.gov | |
| Northern Light Ca Dean Hospital Foundation | Brewer, ME | Annual fund | $1,500 | apps.irs.gov | |
| Pen Bay Waldo Healthcare Foundation | Torrance, CA | Annual fund | $1,500 | apps.irs.gov | |
| St George's School | Newport, RI | Scholarship, annual fund campaign | $1,500 | apps.irs.gov | |
| Friends of Boulder | Boulder, MT | Annual fund | $1,350 | apps.irs.gov | |
| Alley Theatre | Houston, TX | Annual fund campaign | Arts, culture and humanities | $1,000 | apps.irs.gov |
| Alzheimer's Foundation of America | New York, NY | Annual fund campaign | $1,000 | apps.irs.gov | |
| Astrodome Conservancy | Houston, TX | Annual fund | Arts, culture and humanities | $1,000 | apps.irs.gov |
| Berkley Repertory Theater | Berkley, CA | Annual fund | $1,000 | apps.irs.gov | |
| Boulder Ballet | Boulder, CO | Annual fund | Arts, culture and humanities | $1,000 | apps.irs.gov |
| Camden Public Library | Camden, ME | Annual fund campaign | $1,000 | apps.irs.gov | |
| Center for Maine Contemporary Art | Rockland, ME | Annual fund campaign | Arts, culture and humanities | $1,000 | apps.irs.gov |
| Church of Christ | Holden, MO | Annual fund | $1,000 | apps.irs.gov | |
| Coastal Mountains Land Trust | Camden, ME | Annual fund campaign | Environment | $1,000 | apps.irs.gov |
| Colorado College | Colorado Springs, CO | Annual fund campaign | $1,000 | apps.irs.gov | |
| Curry School of Education Foundation | Charlottesville, VA | Education fund | $1,000 | apps.irs.gov | |
| Equal Justice Initiative | Montgomery, AL | Annual fund campaign | Civil rights, social action and advocacy | $1,000 | apps.irs.gov |
| Everytown for Gun Safety Support Fund | New York, NY | Grant for the support fund | Crime and legal-related | $1,000 | apps.irs.gov |
| Houston Public Media Foundation | Houston, TX | Annual fund campaign | Arts, culture and humanities | $1,000 | apps.irs.gov |
| Impact On Education | Louisville, CO | Annual fund campaign | $1,000 | apps.irs.gov | |
| International Rett Syndrome Foundation | Cincinnati, OH | Annual fund campaign | Medical research | $1,000 | apps.irs.gov |
| Kqed | San Francisco, CA | Annual fund | Arts, culture and humanities | $1,000 | apps.irs.gov |
| Lanier Pto | Houston, TX | General fund | $1,000 | apps.irs.gov | |
| Maine Coast Heritage Trust | Topsham, ME | Annual fund campaign | Environment | $1,000 | apps.irs.gov |
| Maysles Institute Inc | New York, NY | Annual fund campaign | Arts, culture and humanities | $1,000 | apps.irs.gov |
| Montpelier - the General Henry Knox Museum | Thomaston, ME | Annual fund campaign | $1,000 | apps.irs.gov | |
| Pomfret School | Pomfret, CT | Annual fund campaign | Education | $1,000 | apps.irs.gov |
| Rockport Public Library | Rockport, ME | Annual fund | $1,000 | apps.irs.gov | |
| Smith College | Northampton, MA | Annual fund campaign | $1,000 | apps.irs.gov | |
| Texas Christion University | Fort Worth, TX | Annual fund campaign | $1,000 | apps.irs.gov | |
| Trees for Houstonboca | Houston, TX | Annual fund campaign | $1,000 | apps.irs.gov | |
| Vanderbilt University | Nashville, TN | Peabody college of education and human development | Education | $1,000 | apps.irs.gov |
| Friends of Fleming Park | Houston, TX | Annual fund campaign | $800 | apps.irs.gov | |
| Friends of Bcsis | Boulder, CO | Annual fund | $750 | apps.irs.gov | |
| NPR Network | Washington, DC | Annual fund | $750 | apps.irs.gov | |
| Alford Lake Camp | Cape Elizabeth, ME | Scholarships | $500 | apps.irs.gov | |
| Bay Chamber Concerts | Rockport, ME | Annual fund campaign | $500 | apps.irs.gov | |
| Boulder Library Foundation | Boulder, CO | Annual fund | $500 | apps.irs.gov | |
| Boulder Philharmonic Orchestra | Boulder, CO | Annual fund | Arts, culture and humanities | $500 | apps.irs.gov |
| Buffalo Bayou Partnership | Houston, TX | Annual fund campaign | Environment | $500 | apps.irs.gov |
| Children's Hospital Colorado Foundation | Aurora, CO | Annual fund | $500 | apps.irs.gov | |
| Common Sense Media | San Francisco, CA | Annual fund | Arts, culture and humanities | $500 | apps.irs.gov |
| Community Food Share | Louisville, CO | Annual fund | Food, agriculture and nutrition | $500 | apps.irs.gov |
| First Congregational Church | Loveland, CO | Annual fund | $500 | apps.irs.gov | |
| Friends of Arches & Canyonlands Parks | Moab, UT | Annual fund campaign | Environment | $500 | apps.irs.gov |
| Homeless Prenatal Program | San Francisco, CA | Annual fund | Health care | $500 | apps.irs.gov |
| New York Yacht Club Foundation | New York, NY | Annual fund campaign | Community improvement and capacity building | $500 | apps.irs.gov |
| San Francisco Foundation | San Francisco, CA | Annual fund | Philanthropy, voluntarism and grantmaking foundations | $500 | apps.irs.gov |
| There With Care | Boulder, CO | Annual fund | Human services | $500 | apps.irs.gov |
| Vinal Haven Land Trust | Vinalhaven, ME | Annual fund | $500 | apps.irs.gov | |
| Voteorg | Washington, DC | Annual fund | $500 | apps.irs.gov | |
| We Win Institute | Minneapolis, MN | Annual fund | Education | $500 | apps.irs.gov |
| La Casa de Las Madres | San Francisco, CA | Annual fund campaign | $250 | apps.irs.gov | |
| Maine Media Workshops and College | Rockport, ME | Annual fund campaign | $250 | apps.irs.gov | |
| Maine Sea Coast Mission | Bar Harbor, ME | Annual fund campaign | $250 | apps.irs.gov | |
| Max Warburg Courage Curriculum Inc | Boston, MA | Annual fund | Education | $250 | apps.irs.gov |
| Merryspring Nature Center | Camden, ME | Annual fund campaign | $250 | apps.irs.gov | |
| Pizza To the Polls | Portland, OR | Annual fund | Civil rights, social action and advocacy | $250 | apps.irs.gov |
| San Francisco Marin Food Bank | San Francisco, CA | Annual fund campaign | $250 | apps.irs.gov |
Grants paid, tax year ended December 2024
From the Form 990-PF filed November 17, 2025, IRS object ID 202523219349105952. It reported $181,320 in grants paid; 82 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Connecticut College | New London, CT | Education fund | Education | $27,000 | apps.irs.gov |
| Island Institute | Rockland, ME | Annual fund campaign | Education | $13,500 | apps.irs.gov |
| Friends of the Strand Theatre | Rockland, ME | Annual fund campaign | Arts, culture and humanities | $12,000 | apps.irs.gov |
| Farnsworth Art Museum | Rockland, ME | Annual fund campaign | $10,000 | apps.irs.gov | |
| Poe Elementary School Parent Teacher Organization | Houston, TX | Annual fund campaign | $10,000 | apps.irs.gov | |
| Penobscot Bay YMCA | Rockport, ME | Sustaining campaign | Human services | $6,000 | apps.irs.gov |
| North Bridge Academy | Mill Valley, CA | Annual | Education | $5,000 | apps.irs.gov |
| Rockwood Community Church | Rockwood, ME | Annual fund | $5,000 | apps.irs.gov | |
| San Francisco Day School | San Francisco, CA | Annual fund campaign | Education | $5,000 | apps.irs.gov |
| Colorado Gives Foundation | Arvada, CO | Annual fund | Philanthropy, voluntarism and grantmaking foundations | $3,500 | apps.irs.gov |
| Cure Alzheimer's Fund | Wellesley Hills, MA | Medical research | $3,500 | apps.irs.gov | |
| Duke University | Durham, NC | Education fund | Education | $3,500 | apps.irs.gov |
| Alzheimer's Foundation of America | New York, NY | Annual fund campaign | $3,000 | apps.irs.gov | |
| American Civil Liberties Union Foundation | New York, NY | Annual fund | Civil rights, social action and advocacy | $3,000 | apps.irs.gov |
| First Congregational Church | Loveland, CO | Annual fund | $3,000 | apps.irs.gov | |
| Groton School | Groton, MA | Annual fund campaign | Education | $3,000 | apps.irs.gov |
| Hermann Park Conservancy | Houston, TX | Annual fund campaign | Environment | $3,000 | apps.irs.gov |
| United Midcoast Charities | Camden, ME | Annual fund campaign | $3,000 | apps.irs.gov | |
| Glide Foundation | San Francisco, CA | Annual fund campaign | Religion-related | $2,650 | apps.irs.gov |
| Calvary Presbyterian Church | San Francisco, CA | Annual fund campaign | $2,500 | apps.irs.gov | |
| Everytown for Gun Safety Support Fund | New York, NY | Grant for the support fund | Crime and legal-related | $2,500 | apps.irs.gov |
| MD Anderson Cancer Center | Houston, TX | Annual fund | $2,500 | apps.irs.gov | |
| Northern Light Ca Dean Hospital Foundation | Brewer, ME | Annual fund | $2,500 | apps.irs.gov | |
| Planned Parenthood Federation of America Inc | New York, NY | Annual fund | $2,500 | apps.irs.gov | |
| Victory Workers 4-H | Davis, CA | Annual fund campaign | $2,000 | apps.irs.gov | |
| St George's School | Newport, RI | Scholarship, annual fund campaign | $1,500 | apps.irs.gov | |
| Houston Public Media Foundation | Houston, TX | Annual fund campaign | Arts, culture and humanities | $1,200 | apps.irs.gov |
| Alley Theatre | Houston, TX | Annual fund campaign | Arts, culture and humanities | $1,000 | apps.irs.gov |
| Annunciation Orthodox School | Houston, TX | Annual fund campaign | $1,000 | apps.irs.gov | |
| Aos Foundation | Fitzpatrick, AL | Annual fund | Recreation and sports | $1,000 | apps.irs.gov |
| Camden Public Library | Camden, ME | Annual fund campaign | $1,000 | apps.irs.gov | |
| Center for Maine Contemporary Art | Rockland, ME | Annual fund campaign | Arts, culture and humanities | $1,000 | apps.irs.gov |
| Colorado College | Colorado Springs, CO | Annual fund campaign | $1,000 | apps.irs.gov | |
| Common Sense Media | San Francisco, CA | Annual fund | Arts, culture and humanities | $1,000 | apps.irs.gov |
| Curry School of Education Foundation | Charlottesville, VA | Education fund | $1,000 | apps.irs.gov | |
| Equal Justice Initiative | Montgomery, AL | Annual fund campaign | Civil rights, social action and advocacy | $1,000 | apps.irs.gov |
| Impact On Education | Louisville, CO | Annual fund campaign | $1,000 | apps.irs.gov | |
| International Rett Syndrome Foundation | Cincinnati, OH | Annual fund campaign | Medical research | $1,000 | apps.irs.gov |
| Kids Meal Inc | Houston, TX | Annual fund | $1,000 | apps.irs.gov | |
| Maine Coast Heritage Trust | Topsham, ME | Annual fund campaign | Environment | $1,000 | apps.irs.gov |
| Maysles Institute Inc | New York, NY | Annual fund campaign | Arts, culture and humanities | $1,000 | apps.irs.gov |
| Montpelier - the General Henry Knox Museum | Thomaston, ME | Annual fund campaign | $1,000 | apps.irs.gov | |
| Mothers Against Media Addiction | New York, NY | Annual fund | Education | $1,000 | apps.irs.gov |
| Pen Bay Waldo Healthcare Foundation | Torrance, CA | Annual fund | $1,000 | apps.irs.gov | |
| Pomfret School | Pomfret, CT | Annual fund campaign | Education | $1,000 | apps.irs.gov |
| Primary Children's Medical Center Foundation | Salt Lake City, UT | Simmons support honoring melinda simmons | $1,000 | apps.irs.gov | |
| Rockport Public Library | Rockport, ME | Annual fund | $1,000 | apps.irs.gov | |
| San Francisco Marin Food Bank | San Francisco, CA | Annual fund campaign | $1,000 | apps.irs.gov | |
| Smith College | Northampton, MA | Annual fund campaign | $1,000 | apps.irs.gov | |
| Texas Christion University | Fort Worth, TX | Annual fund campaign | $1,000 | apps.irs.gov | |
| The Children's Museum of Houston | Houston, TX | Annual fund campaign | $1,000 | apps.irs.gov | |
| Trees for Houstonboca | Houston, TX | Annual fund campaign | $1,000 | apps.irs.gov | |
| Ut Health | Houston, TX | Student assistance fund | $1,000 | apps.irs.gov | |
| Vanderbilt University | Nashville, TN | Peabody college of education and human development | Education | $1,000 | apps.irs.gov |
| Friends of Fleming Park | Houston, TX | Annual fund campaign | $800 | apps.irs.gov | |
| Friends of Bcsis | Boulder, CO | Annual fund | $650 | apps.irs.gov | |
| Alford Lake Camp | Cape Elizabeth, ME | Scholarships | $500 | apps.irs.gov | |
| Bay Chamber Concerts | Rockport, ME | Annual fund campaign | $500 | apps.irs.gov | |
| Berkley Repertory Theater | Berkley, CA | Annual fund | $500 | apps.irs.gov | |
| Boulder Jewish Community Center | Boulder, CO | Annual fund campaign | Human services | $500 | apps.irs.gov |
| Buffalo Bayou Partnership | Houston, TX | Annual fund campaign | Environment | $500 | apps.irs.gov |
| Coastal Mountains Land Trust | Camden, ME | Annual fund campaign | Environment | $500 | apps.irs.gov |
| Community Food Share | Louisville, CO | Annual fund | Food, agriculture and nutrition | $500 | apps.irs.gov |
| Eat Real Certified Inc | San Francisco, CA | Annual fund campgain | Public and societal benefit | $500 | apps.irs.gov |
| Friends of Arches & Canyonlands Parks | Moab, UT | Annual fund campaign | Environment | $500 | apps.irs.gov |
| Huntsman Cancer Foundation | Salt Lake City, UT | Annual fund campaign | Medical research | $500 | apps.irs.gov |
| La Casa de Las Madres | San Francisco, CA | Annual fund campaign | $500 | apps.irs.gov | |
| Maine Media Workshops and College | Rockport, ME | Annual fund campaign | $500 | apps.irs.gov | |
| Memorial Sloan Kettering Cancer Center | New York, NY | Cycle for survival lydia simmons support | $500 | apps.irs.gov | |
| New York Yacht Club Foundation | New York, NY | Annual fund campaign | Community improvement and capacity building | $500 | apps.irs.gov |
| San Francisco Park Alliance | San Francisco, CA | Annual | $500 | apps.irs.gov | |
| Star of Hope Mission | Houston, TX | Annual fund | Housing and shelter | $500 | apps.irs.gov |
| Tanzanian Children's Fund | Boston, MA | Annual fund campaign | $500 | apps.irs.gov | |
| Tides Foundation | Los Angeles, CA | Annual fund campaign | $500 | apps.irs.gov | |
| Waterman's Community Center | North Haven, ME | Annual fund campaign | $500 | apps.irs.gov | |
| Arms Wide Open | Houston, TX | Annual fund | $250 | apps.irs.gov | |
| Commonwealth School Inc | Boston, ME | Annual fund | $250 | apps.irs.gov | |
| Maine Sea Coast Mission | Bar Harbor, ME | Annual fund campaign | $250 | apps.irs.gov | |
| Merryspring Nature Center | Camden, ME | Annual fund campaign | $250 | apps.irs.gov | |
| The Max Warburg Courage Curriculum | Boston, MA | Annual fund campaign | Education | $250 | apps.irs.gov |
| Share-A-Gift | Boulder, CO | Annual | $139 | apps.irs.gov | |
| Uscf Foundation | Oakland, CA | Annual fund campaign | $131 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Education | $121,000 |
| Arts, culture and humanities | $37,200 |
| Human services | $23,000 |
| Environment | $14,000 |
| Civil rights, social action and advocacy | $7,250 |
| Philanthropy, voluntarism and grantmaking foundations | $5,500 |
| Religion-related | $5,150 |
| Crime and legal-related | $3,500 |
States funded
| Recipient state | Granted |
|---|---|
| Maine | $115,000 |
| Texas | $57,550 |
| Connecticut | $56,000 |
| California | $42,281 |
| New York | $24,000 |
| Colorado | $18,539 |
| Massachusetts | $14,500 |
| Maryland | $12,000 |
Also on SpecStream
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- Who funds education in Maine
- Who funds human services in Maine
- Who funds education in California
- Who funds arts, culture and humanities in Maine
- Who funds arts, culture and humanities in Maryland
Updated August 24, 2026. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.