| 1 | Tiburon Peninsula Club | Unclassified | $11.3M | $14.1M |
| 2 | Frances K and Charles D Field Foundation | Philanthropy, Voluntarism & Grantmaking | $7.1M | $14.1M |
| 3 | Corinthian Yacht Club of San Francisco | Unclassified | $4.2M | $5.3M |
| 4 | Belvedere Tennis Club | Unclassified | $3.5M | $3.1M |
| 5 | 5 Ryan Foundation | Philanthropy, Voluntarism & Grantmaking | $3.4M | $5.8M |
| 6 | Skywords Family Foundation INC a New Corporation | Philanthropy, Voluntarism & Grantmaking | $3.0M | $92.0M |
| 7 | Reed Schools Foundation | Unclassified | $2.5M | $1.5M |
| 8 | The Dawn Redwoods Charitable Trust | Unclassified | $2.5M | $4.8M |
| 9 | Jinnie K Simonsen and John V Carbone Foundation | Medical Research | $1.8M | $1.5M |
| 10 | The Belvedere Tiburon Child Care Center | Unclassified | $1.5M | $5.1M |
| 11 | Grey Family Foundation | Philanthropy, Voluntarism & Grantmaking | $1.3M | $3.4M |
| 12 | Barn Road Foundation | Philanthropy, Voluntarism & Grantmaking | $1.2M | $43.0M |
| 13 | Carolyn and Peter Friedman Foundation | Philanthropy, Voluntarism & Grantmaking | $1.1M | $3.3M |
| 14 | Canobie Films Foundation Incorporated | Arts, Culture & Humanities | $845K | $208K |
| 15 | Hilltop Group Charitable Foundation | Philanthropy, Voluntarism & Grantmaking | $714K | $5.6M |
| 16 | Belvedere-tiburon Library Foundation | Education | $694K | $1.2M |
| 17 | Health Hub Sf | Medical Research | $687K | $319K |
| 18 | Tiburon Peninsula Soccer League INC | Unclassified | $657K | $482K |
| 19 | Evan and Tracy Segal Familyfoundation | Philanthropy, Voluntarism & Grantmaking | $650K | $734K |
| 20 | Belvedere-tiburon Landmarks Society | Arts, Culture & Humanities | $544K | $4.9M |
| 21 | Ginungagap Foundation | Philanthropy, Voluntarism & Grantmaking | $534K | $4.9M |
| 22 | Bernard J & Mary T Johnson Family Foundation | Education | $308K | $6.2M |
| 23 | Location Five INC | Recreation & Sports | $303K | $184K |
| 24 | Unleashed Productions INC | Philanthropy, Voluntarism & Grantmaking | $237K | $159K |
| 25 | Jon & Darla Fisher Foundation Jon Fisher | Philanthropy, Voluntarism & Grantmaking | $232K | $115 |
| 26 | Tiburon Peninsula Chamber of Commerce | Unclassified | $208K | $256K |
| 27 | Little League Baseball INC | Recreation & Sports | $204K | $201K |
| 28 | Tiburon Yacht Club INC | Unclassified | $203K | $427K |
| 29 | Tiburon Thrift Shop | Human Services | $193K | $71K |
| 30 | PTA California Congress of Parents Teachers & Students INC | Education | $180K | $367K |
| 31 | Tiburon Peninsula Foundation | Philanthropy, Voluntarism & Grantmaking | $174K | $546K |
| 32 | The George Schwab and Leona Lauder Foundation | Philanthropy, Voluntarism & Grantmaking | $151K | $423K |
| 33 | Rotary Club of Tiburon Sunset Foundation | Philanthropy, Voluntarism & Grantmaking | $130K | $264K |
| 34 | Our One Community INC | Education | $122K | $228K |
| 35 | Intelligent Justice | Public & Societal Benefit | $100K | $133K |
| 36 | Phillips-morrison Institute of California | Unclassified | $92K | $628K |
| 37 | Angel Island Association | Unclassified | $91K | $329K |
| 38 | Road to Freedom Scholarships | International, Foreign Affairs & National Security | $84K | $124K |
| 39 | Circulo de Amigas Foundation | Human Services | $53K | $37K |
| 40 | Psychedelic Safety and Education Coalition | Mental Health & Crisis Intervention | $50K | $28K |
| 41 | Walter Iberti Charitable Foundation | Philanthropy, Voluntarism & Grantmaking | $47K | $212K |
| 42 | Cadieux Martin Foundation | Philanthropy, Voluntarism & Grantmaking | $39K | $318K |
| 43 | Networth Television Productions INC | Human Services | $35K | $6K |
| 44 | California Study INC | Unclassified | $34K | $98K |
| 45 | Rotary Club of Tiburon-belvedere Foundation | Youth Development | $15K | $316K |
| 46 | California Teachers Association | Employment | $14K | $17K |
| 47 | It History Society | Arts, Culture & Humanities | $12K | $8K |
| 48 | Rotary International | Community Improvement & Capacity Building | $12K | $8K |
| 49 | Allan H Rappaport Charitable Foundation INC | Unclassified | $9K | $45K |
| 50 | Reciprocating Smiles International | Health Care | $8K | $3K |
| 51 | Thinkglobal Arts Foundation | International, Foreign Affairs & National Security | $4K | $18K |
| 52 | Fontana Foundation | Philanthropy, Voluntarism & Grantmaking | $1K | $75K |
| 53 | Seidel Family Foundation for Better Vision INC | Philanthropy, Voluntarism & Grantmaking | $1 | $1K |
| 54 | Charity Enablers Foundation | Philanthropy, Voluntarism & Grantmaking | $1 | $8K |
| 55 | Chaiken Family Foundation III | Philanthropy, Voluntarism & Grantmaking | $1 | $1 |
| 56 | Foundation for the Aid of the Environment Arts Culture and Youth | International, Foreign Affairs & National Security | $0 | $0 |
| 57 | African Orphans Foundation | Food, Agriculture & Nutrition | $0 | $0 |
| 58 | Paradise Harbor Boating Association INC | Unclassified | $0 | $0 |
| 59 | For the Bayou | Environment | $0 | $0 |
| 60 | Wheelescape | Unclassified | $0 | $0 |
| 61 | Brainchain Foundation INC | Public & Societal Benefit | $0 | $0 |
| 62 | Boreholes and Broadband | Public & Societal Benefit | $0 | $0 |
| 63 | Tech4youth Foundation | Philanthropy, Voluntarism & Grantmaking | $0 | $0 |
| 64 | Mwsl INC | Recreation & Sports | $0 | $0 |
| 65 | Latriset Foundation | Philanthropy, Voluntarism & Grantmaking | $0 | $0 |
| 66 | Alliance for Stroke Awareness and Prevention Project | Diseases, Disorders & Medical Disciplines | $0 | $0 |
| 67 | Uss St. Lo Cve63 Vc65 Association INC | Public & Societal Benefit | $0 | $0 |
| 68 | Smc Educational Foundation | Health Care | $0 | $0 |
| 69 | Appalachia Housing INC | Housing & Shelter | $0 | $0 |
| 70 | West to West | Community Improvement & Capacity Building | $0 | $0 |
| 71 | Lessons for Life | Arts, Culture & Humanities | $0 | $0 |
| 72 | Human Kindness Overflowing INC | Animal-Related | $0 | $0 |
| 73 | Marin Coed Soccer League INC | Recreation & Sports | $0 | $0 |
| 74 | Shepherd of the Hills Lutheran Church | Unclassified | $0 | $0 |
| 75 | Geothermal Education Office | Environment | $0 | $0 |
| 76 | Rotary Club of Tiburon Sunset | Unclassified | $0 | $0 |
| 77 | Bahais of Tiburon | Unclassified | $0 | $0 |
| 78 | Marin Cat Connection | Animal-Related | $0 | $0 |
| 79 | Sacca Foundation | Religion-Related | $0 | $0 |
| 80 | Foundation for Community Life | Housing & Shelter | $0 | $0 |
| 81 | USA Buddha-to-be Society a New Jersey Nonprofit Corporation | Religion-Related | $0 | $0 |
| 82 | We Sanders Foundation | Education | $0 | $0 |
| 83 | Bipolar & Depression Outcomes Research Institute | Mental Health & Crisis Intervention | $0 | $0 |
| 84 | Tiburon Police Association | Crime & Legal-Related | $0 | $0 |
| 85 | Chabad of Tiburon | Religion-Related | $0 | $0 |
| 86 | Multiple Hub INC | Youth Development | $0 | $0 |
| 87 | Caluso | Arts, Culture & Humanities | $0 | $0 |
| 88 | Harmony Land Caretakers INC | Environment | $0 | $0 |
| 89 | 1 Percent Club | Human Services | $0 | $0 |
| 90 | Hawaii Houn Heroes Foundation | Animal-Related | $0 | $0 |
| 91 | Pass the Bricks INC | Arts, Culture & Humanities | $0 | $0 |
| 92 | Indigenous of Russia Foundation | Civil Rights, Social Action & Advocacy | $0 | $0 |
| 93 | St. Hilarys Church | Unclassified | $0 | $0 |
| 94 | Tiburon Volunteer Fire Department | Unclassified | $0 | $0 |
| 95 | Congregation Kol Shofar | Unclassified | $0 | $0 |
| 96 | Future Educational Films INC | Unclassified | $0 | $0 |
| 97 | International Meditation Center USA West | Unclassified | $0 | $0 |
| 98 | Delta Gamma Fraternity | Unclassified | $0 | $0 |
| 99 | Belvedere Tiburon Film Society | Arts, Culture & Humanities | $0 | $0 |
| 100 | Presidio Uniformed Services Foundation | Public & Societal Benefit | $0 | $0 |