| Name | Deductibility Code |
| Academy of World Studies | -- |
| Adele Harrison Parent Network | -- |
| Alliance for Drug Free Children | -- |
| Altimira Parent Network | -- |
| Arts Guild of Sonoma | -- |
| August Sebastiani Charitable Trust | 4 |
| B612 Foundation | -- |
| Bay Area Christian Conciliation Ser Vice Inc. | -- |
| Bay Area Environmental Research Institute | -- |
| Byron Shelley & Associates | -- |
| California Fire Exploring Assiciation | -- |
| Calvary Chapel Church of Napa | -- |
| Calvary Chapel of Sonoma Inc. | -- |
| Cattrap Inc. | -- |
| Challange Sonoma Adventure Ropes Course Inc. | -- |
| Childrens Cancer Community | -- |
| Childrens Medical Aid Foundation Inc. | -- |
| Clay Foundation-West | 4 |
| Commonbond Foundation | -- |
| Community Baptist Housing and Development Corporation | -- |
| Community Health Resource and Development Center | -- |
| Congregation Shir Shalom | -- |
| Contemporary Approaches in Health Care | -- |
| Crossroads Evangelical Church Incorporated | -- |
| Cummings Family Foundation | 4 |
| Dragons Head Production | -- |
| El Verano Parents Club | -- |
| Emet Association | -- |
| Erich and Hannah Sachs Foundation | 4 |
| Etc Experiential Theater Company | -- |
| Faha Manor | -- |
| Finnish-American Home Association | -- |
| Flowery Elementary School Parent-Teacher Organization | -- |
| Foundation for Healthy Family Living | -- |
| Friends in Sonoma Helping | -- |
| Friends of the Sonoma Library | -- |
| Friends of Turkana Inc. | -- |
| Global Entrepreneurship Network Worldwide Incorporated | -- |
| Helen Ann Buckley Foundation | 4 |
| Holly Ehret Memorial Leadership Foundation Inc. | 4 |
| Inquiring Systems Inc. | -- |
| Jean Arnold Group Foundation | -- |
| John Christopher Bunting Foundation Inc. | 4 |
| Kayakalpa Alchemy Foundation | -- |
| Kid Scoop Foundation | -- |
| Kiwanis Club of Sonoma Plaza Scholarship Foundation | -- |
| Leaping Lizard Rescue | -- |
| Leaven Inc. | -- |
| Lyon Ranch Therapy Animals | -- |
| Manfred Clynes Institute of Biocybernetics Inc. | -- |
| McO Cultural Exchange Corporation | -- |
| Montessori School of Sonoma Incorporated | -- |
| National Preservation and Conservation Foundation | -- |
| Neurosphere Adaptive Learning Systems Inc. | -- |
| North Bay Affordables Inc. | 4 |
| North Bay Kung Fu Institute | -- |
| Old Adobe School | -- |
| Otto Hitzberger Foundation | -- |
| Pets Lifeline Inc. | -- |
| Play on Foundation | -- |
| Praxis Peace Institute | -- |
| Presentation School | -- |
| Prestwood Parent-Teacher Organization Inc. | -- |
| Rose Marie Piper Foundation | 4 |
| Scott Raymond Evans Foundation | 4 |
| Sebastiani Theater Foundation Inc. | -- |
| Seeds of Learning | -- |
| Shining Star Kids | -- |
| Sky Farm Inc. | -- |
| Sonoma Christian Life Center Church | -- |
| Sonoma Citizens Coalition | -- |
| Sonoma City Opera | -- |
| Sonoma Community Center | -- |
| Sonoma County Christian Network Inc. | -- |
| Sonoma Creek Senior Housing Corp | -- |
| Sonoma Home Meals Inc. | -- |
| Sonoma Jr Dragons | -- |
| Sonoma Law Center | 4 |
| Sonoma League for Historic Preservation | -- |
| Sonoma Mission Indian Memorial Fund | -- |
| Sonoma Mountain Preservation Group Inc. | -- |
| Sonoma Overnight Support Inc. | -- |
| Sonoma Petaluma State Historic Parks Association Inc. | -- |
| Sonoma Plaza Foundation | -- |
| Sonoma Plein Air Foundation | -- |
| Sonoma Psycho-Oncology | -- |
| Sonoma Sister Cities Association | -- |
| Sonoma Skate Society | -- |
| Sonoma United Football Club | -- |
| Sonoma Valley Academy Inc. | -- |
| Sonoma Valley Arts Alliance Inc. | -- |
| Sonoma Valley Chorale Inc. | -- |
| Sonoma Valley Community Health Center | -- |
| Sonoma Valley Dialysis Center Inc. | -- |
| Sonoma Valley Dog Owners and Guardians | -- |
| Sonoma Valley Education Foundation | -- |
| Sonoma Valley Field of Dreams | -- |
| Sonoma Valley Film Society | -- |
| Sonoma Valley Health & Recreation Association | -- |
| Sonoma Valley High Boosters Club | -- |
| Sonoma Valley Historical Society Inc. | -- |
| Sonoma Valley Hospital Auxiliary | -- |
| Sonoma Valley Hospital Foundation | -- |
| Sonoma Valley Mentoring Alliance Inc. | -- |
| Sonoma Valley Museum of Art | -- |
| Sonoma Valley Music Society | -- |
| Sonoma Valley Rotary Foundation | -- |
| Sonoma Valley Soroptimist Foundation | -- |
| Sonoma Valley Vintners and Growers Foundation | -- |
| Sonoma Valley Youth Soccer | -- |
| Sonoma Volunteer Fire Department Association Inc. | 6 |
| Sonoma-Chambolle Musigny Sister Cities Inc. | -- |
| Sonomas Little Star Preschool | -- |
| Sri Lankan Aid | -- |
| Sri Sarveshwari Samooh | -- |
| The Bread Bakers Guild of America | -- |
| The Mental Insight Foundation | 4 |
| The Schell Vista Volunteer Fireman Association | -- |
| Through the Veil Ministries | -- |
| Transitions | -- |
| Ukrainian American International Institute | -- |
| USA New Horizons | -- |
| Vadasz Family Foundation | 4 |
| Valley of the Moon Aquatics | -- |
| Valley of the Moon Nursery School | -- |
| Vineyard Workers Services | -- |
| Vintage House Senior Multi- purpose Center of Sonoma Valley | -- |
| Wildlife Fawn Rescue | -- |
| Willmar Center for Bereaved Children | -- |
| Womens Global Leadership Initiative | -- |
| Woodland Star Charter School | -- |
| Woodland Star Educational Foundation | -- |
| Woodward Graff Wine Foundation | -- |