Data / Nonprofits / Washington / Sammamish
Nonprofits in Sammamish, WA: 314 registered with the IRS
314 nonprofits are registered with the IRS in Sammamish, WA, 301 of them 501(c)(3) charities; the 73 that report revenue took in $35.2 million. The largest by revenue: Sahalee Country Club ($10.5 million), Members Club at Aldarra ($6.7 million), Health Commons Project ($2 million). Most common causes: education (68), arts, culture and humanities (37), recreation and sports (32).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Sahalee Country Club | 501(c)(7) | 1974 | $10.5 million | $24.6 million | 2024-12 | |
| Members Club at Aldarra | Recreation and sports | 501(c)(7) | 1999 | $6.7 million | $18.9 million | 2024-12 |
| Health Commons Project | Health care | 501(c)(3) | 2020 | $2 million | $3.6 million | 2024-12 |
| The Washington Hunters and Jumper Association | Recreation and sports | 501(c)(3) | 2020 | $1.7 million | $182,090 | 2025-12 |
| Tasveer | Civil rights, social action and advocacy | 501(c)(3) | 2013 | $1 million | $531,690 | 2024-12 |
| Eastlake Wolfpack Association | Education | 501(c)(3) | 2004 | $986,907 | $664,537 | 2025-04 |
| Bright Beginnings | Education | 501(c)(3) | 2025 | $978,615 | $760,993 | 2025-12 |
| Golden Retriever Foundation | Health care | 501(c)(3) | 1997 | $908,708 | $7.1 million | 2026-06 |
| Wild Entrust International | Animal-related | 501(c)(3) | 2007 | $742,112 | $541,601 | 2024-12 |
| Grassroot Projects | Public and societal benefit | 501(c)(3) | 2017 | $573,841 | $224,803 | 2024-12 |
| United Sports Soccer Club | Recreation and sports | 501(c)(3) | 2022 | $533,067 | $181,577 | 2025-12 |
| Gary Randall Ministries | Religion-related | 501(c)(3) | 2022 | $496,288 | $208,112 | 2024-12 |
| Songeas Kids | Human services | 501(c)(3) | 2007 | $427,999 | $529,758 | 2025-12 |
| Feline Friends of Sammamish | Animal-related | 501(c)(3) | 2020 | $398,020 | $744,068 | 2025-12 |
| Team Everest USA | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2020 | $384,613 | $25,359 | 2025-12 |
| Skyline High School Booster Club | Education | 501(c)(3) | 1998 | $341,910 | $363,082 | 2026-06 |
| Labyrinth Home Education Co-Op | Education | 501(c)(3) | 2007 | $273,707 | $118,130 | 2025-12 |
| Sammamish Chinese Shool | Arts, culture and humanities | 501(c)(3) | 2013 | $260,917 | $124,098 | 2025-12 |
| Little League Baseball Inc | 501(c)(3) | 1967 | $245,232 | $77,300 | 2025-09 | |
| Eastlake Lacrosse Association | Recreation and sports | 501(c)(3) | 2025 | $242,706 | $35,600 | 2024-06 |
| Arkrock Academy | 501(c)(3) | 2016 | $238,571 | $2,140 | 2025-12 | |
| Eastside Friends of Seniors | Human services | 501(c)(3) | 2009 | $237,997 | $96,704 | 2024-12 |
| Wolves Football Association | Recreation and sports | 501(c)(3) | 2003 | $230,534 | $134,132 | 2025-12 |
| Athletes for Kids | Youth development | 501(c)(3) | 2002 | $227,758 | $525,756 | 2024-12 |
| Small Hands On Art | Education | 501(c)(3) | 1994 | $204,343 | $138,852 | 2025-12 |
| Northwest Pinball and Gameroom Show Committee | Public and societal benefit | 501(c)(4) | 2010 | $197,746 | $224,771 | 2025-12 |
| Eastside Traveling League | Recreation and sports | 501(c)(3) | 1999 | $193,100 | $59,634 | 2025-08 |
| Skyline Spartans Lacrosse Club | Diseases, disorders and medical disciplines | 501(c)(3) | 2011 | $192,121 | $58,097 | 2025-07 |
| Yuwa Inc | Youth development | 501(c)(3) | 2018 | $192,045 | $358,675 | 2024-12 |
| Rachel Carson Elem Ptsa | Education | 501(c)(3) | 2009 | $171,009 | $103,976 | 2025-06 |
| Cush It To the Limit | Medical research | 501(c)(3) | 2019 | $168,836 | $214,328 | 2024-12 |
| Little League Baseball Inc | 501(c)(3) | 1967 | $157,556 | $175,387 | 2025-09 | |
| Sammamish Chamber of Commerce | Community improvement and capacity building | 501(c)(6) | 1999 | $156,656 | $55,378 | 2025-12 |
| Trinity Classical Christian Academy | Education | 501(c)(3) | 2022 | $152,273 | $19,492 | 2025-06 |
| Temple of Music | Arts, culture and humanities | 501(c)(3) | 2019 | $149,194 | $25,569 | 2025-12 |
| Creekside Ptsa | Education | 501(c)(3) | 2010 | $141,511 | $262,921 | 2025-06 |
| Jumpcycle | Human services | 501(c)(3) | 2020 | $140,220 | $65,336 | 2025-12 |
| Skyline Youth Football Association | Recreation and sports | 501(c)(3) | 2003 | $134,614 | $59,105 | 2025-12 |
| Spartan QB Club | Recreation and sports | 501(c)(3) | 2022 | $111,263 | $41,700 | 2025-12 |
| Elizabeth Blackwell Ptsa 2-8-54 | Education | 501(c)(3) | 1999 | $103,761 | $56,051 | 2025-06 |
| Eastlake Youth Football Association | Recreation and sports | 501(c)(3) | 2009 | $99,004 | $76,183 | 2025-12 |
| Littledrops Orphanage Fund | Human services | 501(c)(3) | 2006 | $88,179 | $311,264 | 2024-12 |
| Block Party Quilters Club | Education | 501(c)(3) | 2001 | $82,406 | $89,313 | 2025-12 |
| Master Chorus Eastside | Arts, culture and humanities | 501(c)(3) | 1993 | $81,619 | $38,014 | 2025-07 |
| Bharathi Tamil Academy | Education | 501(c)(3) | 2020 | $80,988 | $139,428 | 2025-12 |
| Gibson Ek Foundation | Education | 501(c)(3) | 2023 | $80,054 | $110,166 | 2025-06 |
| Baseball4life | Recreation and sports | 501(c)(3) | 2022 | $80,000 | $7,209 | 2025-12 |
| Samantha Smith Pta Lake Washington Council 2 8 57 | Education | 501(c)(3) | 1995 | $77,728 | $28,312 | 2025-06 |
| Royal Family Kids Camp-Issaquah | Human services | 501(c)(3) | 2006 | $76,374 | $83,365 | 2025-12 |
| Joshua P Williams Golf Tournament | Human services | 501(c)(3) | 2005 | $75,824 | $82,146 | 2024-12 |
| Equality Effect Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $75,000 | $12,901 | 2025-06 |
| Fellowship of Christ Witnesses | Religion-related | 501(c)(3) | 2007 | $74,863 | $17,586 | 2025-12 |
| Red P | Human services | 501(c)(3) | 2020 | $71,141 | $28,777 | 2024-12 |
| Spotlight Repertory NW | Arts, culture and humanities | 501(c)(3) | 2017 | $69,563 | $26,770 | 2025-06 |
| Sadhana | Arts, culture and humanities | 501(c)(3) | 2022 | $66,025 | $65,456 | 2026-04 |
| Eastlake Boys Select Basketball | Recreation and sports | 501(c)(3) | 2014 | $65,044 | $52,646 | 2025-12 |
| Pine Lake Ptsa 2 6 42 | Education | 501(c)(3) | 2019 | $64,945 | $46,661 | 2026-06 |
| Potters Clay Ministry | Religion-related | 501(c)(3) | 2009 | $62,834 | $15,958 | 2025-12 |
| Feed Washington | Food, agriculture and nutrition | 501(c)(3) | 2011 | $62,750 | $28,938 | 2024-12 |
| Sunny Hills Elementary School Pta | Education | 501(c)(3) | 1996 | $61,988 | $66,764 | 2025-06 |
| SDG Digital Foundation | 501(c)(3) | 2021 | $59,395 | $168,410 | 2025-12 | |
| Washington Telangana Association | Arts, culture and humanities | 501(c)(3) | 2015 | $58,763 | $86,111 | 2024-12 |
| Eastlake Junior Cheer | Recreation and sports | 501(c)(3) | 2021 | $56,230 | $28,131 | 2025-12 |
| Cedar Trails Elementary Ptsa 2-6-12 | Human services | 501(c)(3) | 2021 | $54,849 | $76,297 | 2025-06 |
| Discovery Ptsa 2 69 | 501(c)(3) | 1996 | $45,884 | $85,826 | 2025-06 | |
| Vietnam Scholarship Foundation | Education | 501(c)(3) | 2004 | $38,966 | $398,381 | 2026-06 |
| Cascade Ridge Elementary Ptsa 2 6 2 | Education | 501(c)(3) | 2001 | $38,768 | $72,110 | 2025-06 |
| Heritage Foundation | Arts, culture and humanities | 501(c)(3) | 2024 | $34,400 | $34,400 | 2025-12 |
| Sammamish Rotary Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2005 | $32,652 | $206,667 | 2025-06 |
| Fright Town Eastside | Arts, culture and humanities | 501(c)(3) | 2025 | $31,864 | $82,703 | 2025-12 |
| Shuqiao Excellence Award | Education | 501(c)(3) | 2024 | $12,810 | $17,497 | 2025-12 |
| Pacific Entrepreneurs and Ambitious Kids Society | Human services | 501(c)(3) | 2024 | $5,000 | $2,500 | 2024-12 |
| Autism Days | 501(c)(3) | 2012 | $226 | $11,555 | 2025-12 | |
| 350 Eastside | Environment | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| A Hand in Need | Human services | 501(c)(3) | 2018 | $0 | $0 | 2026-05 |
| Ableminds Coaching | Human services | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Africa Emerging | Arts, culture and humanities | 501(c)(3) | 2025 | |||
| Agriflow Initiative | Food, agriculture and nutrition | 501(c)(3) | 2025 | |||
| Albarr Inc | Human services | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Allergicate | Food, agriculture and nutrition | 501(c)(3) | 2024 | |||
| Alliance for International Womens Rights | Social science | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Alliance for Learning Experiences | Education | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Alumni Association of Wuhan University in Washington State | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| American Research Center in Egypt- NW | Arts, culture and humanities | 501(c)(3) | 2014 | $0 | $0 | 2023-06 |
| American Society of Appraisers | 501(c)(6) | 1961 | $0 | $0 | 2025-06 | |
| Amitabha Buddhist Society of Seattle | Religion-related | 501(c)(3) | 2001 | |||
| Anua | Environment | 501(c)(3) | 2026 | |||
| Apoe4info Inc | Medical research | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Appraisers Coalition of Washington | Community improvement and capacity building | 501(c)(6) | 2004 | $0 | $0 | 2025-12 |
| Aras Foundation | 501(c)(3) | 1982 | ||||
| Arg Help Inc | Food, agriculture and nutrition | 501(c)(3) | 2011 | $5,002 | 2025-12 | |
| Asians in Seattle | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Awakening Life Inc | Education | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Beautiful Game | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Beaver Lake Middle School Ptsa | Education | 501(c)(3) | 1995 | $0 | $0 | 2026-06 |
| Beltane Guild | Public safety, disaster preparedness and relief | 501(c)(3) | 2019 | $0 | $0 | 2026-03 |
| Bhargavi Arts Academy | Arts, culture and humanities | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Blue Dolphin Swim Booster Club | Recreation and sports | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Boundless Education | Education | 501(c)(3) | 2024 | $0 | $0 | 2026-03 |
| Bright Bridge Foundation | Human services | 501(c)(3) | 2020 | $0 | $0 | 2026-06 |
| Brighter Dreams for Education | Education | 501(c)(3) | 2024 | |||
| Buildthefuture | Education | 501(c)(3) | 2025 | |||
| Bulldog Club of Greater Seattle | 501(c)(7) | 1986 | $0 | $0 | 2025-12 | |
| Causefoundry Initiative | Community improvement and capacity building | 501(c)(3) | 2026 | |||
| Chabad of the Central Cascades | Religion-related | 501(c)(3) | 2005 | $0 | $0 | 2024-12 |
| Chameleon Camps | Education | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Chen & Yanwen Foundation | Arts, culture and humanities | 501(c)(3) | 2024 | $160,791 | 2025-12 | |
| China Youth Returnee and Overseas Association | Public and societal benefit | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Chun Geng Foundation | Human services | 501(c)(3) | 2022 | $2.2 million | 2025-12 | |
| Code4good | Education | 501(c)(3) | 2024 | |||
| Coding for Life Science | Science and technology | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Collective Church Seattle | Religion-related | 501(c)(3) | 2018 | |||
| Community Helper | Human services | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Concerned Parents of Margaret Mead | Youth development | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Contemporary Quiltart Association | Recreation and sports | 501(c)(3) | 1997 | $0 | $0 | 2026-03 |
| Cozmic | International, foreign affairs and national security | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Dapenero Tutoring | Education | 501(c)(3) | 2024 | |||
| Dash -- Different Area Same Hunt | Education | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Deafblind Citizens in Action | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2023-12 |
| Delta Zeta Sorority | 501(c)(7) | 1941 | $0 | $0 | 2025-06 | |
| Devotion and Seva Association | Religion-related | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Digital Ability Rehabilitation Initiative | Health care | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Dollar Mentor | Human services | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Dreamweaver Ai Initiative | Education | 501(c)(3) | 2025 | |||
| Earlybird Alliance | Mental health and crisis intervention | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Eastlake Baseball Club Arsenal | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Eastlake Girls Select Basketball | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-08 |
| Eastridge Church | 501(c)(3) | 1964 | 2025-12 | |||
| Eastside Catholic School | Education | 501(c)(3) | 1946 | |||
| Eastside Crusaders Youth Lacrosse | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2025-06 |
| Eastside Montessori Education Foundation | Education | 501(c)(3) | 1995 | $0 | $0 | 2025-08 |
| Eastside Science Circle | Education | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Enlightenedbharat Inc | Human services | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Equalxs Foundation | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-08 |
| Essence Health and Research Foundation | Health care | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Evergreen Wolverine Football Associ Ation | Education | 501(c)(3) | 2026 | |||
| Everstem Education | Education | 501(c)(3) | 2020 | $0 | $0 | 2025-09 |
| Fall City Sustainable Growth | Community improvement and capacity building | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Fast Island | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Floracosm | Environment | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| For the Love of Kids | International, foreign affairs and national security | 501(c)(3) | 2020 | $0 | $0 | 2025-09 |
| Friends of 1294 | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Friends of Sammamish | Youth development | 501(c)(3) | 2023 | $0 | $0 | 2025-07 |
| Friends of Troop 575 | Youth development | 501(c)(3) | 2015 | $0 | $0 | 2025-08 |
| Friends of the Sammamish Library | Education | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Future Martians | Science and technology | 501(c)(3) | 2025 | |||
| Girlup Entrepreneur | Public and societal benefit | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Give Back To the Source Inc | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Globe-S Mission | Religion-related | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Good Turn | Human services | 501(c)(3) | 2016 | $0 | $0 | 2025-09 |
| Gramigrants | Human services | 501(c)(3) | 2025 | |||
| Grey Wolf Band | Education | 501(c)(3) | 2026 | |||
| Guzman-Barron Escobedo Charitable F Oundation | Education | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| HCP Onehealthport LLC | 501(c)(3) | 2026 | ||||
| Hackfiends | Youth development | 501(c)(3) | 2024 | |||
| Heart Centered Publishing | Education | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Hope Retrievers A Nonprofit Corporation | Recreation and sports | 501(c)(3) | 2026 | |||
| Hope of the Stars | Human services | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Human Factors and Ergonomics Society Puget Sound Chapter | Mutual and membership benefit | 501(c)(6) | 2007 | $0 | $0 | 2025-12 |
| Ignite the Mission | Education | 501(c)(3) | 2026 | |||
| Iit Guwahati Alumni Association | Education | 501(c)(3) | 2023 | $4,973 | 2024-12 | |
| Iit Mandi Foundation | Education | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Indian Performing Arts Project Seattle | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Inglewood Middle School Ptsa 2 8 73 | Education | 501(c)(3) | 1992 | $0 | $0 | 2026-06 |
| Inspireher | Environment | 501(c)(3) | 2026 | |||
| International Smile Power Foundation | Health care | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| International Society for Krishna Consciousness of Washington | 501(c)(3) | 1977 | 2020-12 | |||
| Inworthy | Education | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Iranian Society of Washington State | Arts, culture and humanities | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Islam Outreach Foundation | Religion-related | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Issaquah Girls Basketball Association | Recreation and sports | 501(c)(3) | 1997 | $0 | $0 | 2025-04 |
| Kala Sangam | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Kalainirai Foundation USA | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Kaplita Fam Foundation Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $1.3 million | 2025-12 | |
| Kiana Kananga International Association of North America | Human services | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Kids Coming Together | Youth development | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Kids Need Bikes | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2026-06 | |
| Kolotan Foundation | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Koraff | Arts, culture and humanities | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Lakesafe Initiative | Public safety, disaster preparedness and relief | 501(c)(3) | 2026 | |||
| Latinatechies | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Lillie-Rose Outreach Ministry | Food, agriculture and nutrition | 501(c)(3) | 2025 | |||
| Little League Baseball Inc | 501(c)(3) | 1967 | $0 | $0 | 2025-09 | |
| Love Tree Church | 501(c)(3) | 1964 | ||||
| Marakatha | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Mary Queen of Peace Church | 501(c)(3) | 1946 | ||||
| Mathmaestro Org | Education | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Mauleefoundation | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Maxs Magic Garden | Environment | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| May Education Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | |||
| Mel Stottlemyre Myeloma Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $32,773 | 2009-12 | |
| Mesa Abierta | Food, agriculture and nutrition | 501(c)(3) | 2026 | |||
| Missio Lux | 501(c)(3) | 1975 | ||||
| Music Teachers National Association Inc | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Muslim Funeral Services of Washington | Human services | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Must Mission | Religion-related | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Nagarik Samaj | Employment | 501(c)(3) | 2025 | |||
| National Association of Watch and Clock Collectors Inc | Arts, culture and humanities | 501(c)(3) | 2012 | $0 | $0 | 2026-03 |
| National Charity League - Lake Sammamish Chapter | Youth development | 501(c)(3) | 2009 | $0 | $0 | 2026-05 |
| National Federation of Music Clubs | 501(c)(3) | 2002 | $0 | $0 | 2025-08 | |
| National Society of the Daughters of the American Revolution | 501(c)(3) | 1949 | $0 | $0 | 2025-12 | |
| National Society of the Daughters of the American Revolution | 501(c)(3) | 1949 | $0 | $0 | 2026-05 | |
| Natya at Uw | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2025-08 |
| Neljer Fund | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| North America Cricket Conference | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Northeastern Chinese Association of USA | Human services | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Northstar Prep | Education | 501(c)(3) | 2026 | |||
| Oli Charities Inc | Education | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| One Gives Hope | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2016 | $28,222 | 2025-12 | |
| Oosterhof Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $1.2 million | 2025-12 | |
| Open Hearts Big Dreams Fund | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2017 | $0 | $202,167 | 2024-12 |
| Pacific Northwest Chess Center | Recreation and sports | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Pacific Northwest Region Classic Car Club of America | Recreation and sports | 501(c)(7) | 2002 | $0 | $0 | 2024-10 |
| Pedali Inc Dba Hagens Berman Racing Seattle | Recreation and sports | 501(c)(3) | 2025 | |||
| Peer Up | Education | 501(c)(3) | 2025 | |||
| Pethoriaconnect Foundation | Animal-related | 501(c)(3) | 2026 | |||
| Pi Point Tutoring | Education | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Pine Lake Covenant Church Sammamish Wa | 501(c)(3) | 1975 | 2010-12 | |||
| Planet Youth Project | Environment | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Plateaupians for Peace | Civil rights, social action and advocacy | 501(c)(3) | 2017 | $0 | $0 | 2025-05 |
| Play It Forward Foundation | Youth development | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Post-Acute Therapeutics and Health Clinical Research Institute | Medical research | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Preserve Culture | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Preserve Providence Heights | Arts, culture and humanities | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Printable Dreams | Human services | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Pro Vector Learning | Education | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Public Safety Support Services Inc | Health care | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| Rain City Sandwiches | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Rainy Day Chefs | Food, agriculture and nutrition | 501(c)(3) | 2017 | $0 | $0 | 2025-09 |
| Rayasam Rajyalakshmi Foundation | Arts, culture and humanities | 501(c)(3) | 2025 | |||
| Red Poppy Initiative | Civil rights, social action and advocacy | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Rejenga | Health care | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Renaissance School Ptsa | Education | 501(c)(3) | 2007 | $0 | $0 | 2025-06 |
| Rescue Unleashed | Animal-related | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Reuben B Robertson Foundation | 501(c)(3) | 1954 | $621,219 | 2025-12 | ||
| Rotary Club of Bellevue Eastside | Community improvement and capacity building | 501(c)(4) | 2025 | $0 | $0 | 2026-06 |
| Rotary International | 501(c)(4) | 1942 | $0 | $0 | 2026-06 | |
| Safe Sound Kids Northwest | Human services | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Sahalee Endowment Foundation | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Sai Save | Diseases, disorders and medical disciplines | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Sammamish Botanical Garden Society | Environment | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Sammamish Friends | Environment | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Sammamish Heritage Society | Arts, culture and humanities | 501(c)(3) | 1999 | $0 | $0 | 2025-12 |
| Sammamish Hills Lutheran Church | 501(c)(3) | 1988 | ||||
| Sammamish Kiwanis Foundation | Education | 501(c)(3) | 2011 | $0 | $0 | 2024-10 |
| Sammamish Muslim Association | Religion-related | 501(c)(3) | 2015 | |||
| Sammamish Police Foundation | Crime and legal-related | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Sammamish Running | Recreation and sports | 501(c)(3) | 2025 | |||
| Sanskriti Foundation | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Saranya | Youth development | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Sde Skills | Education | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Seattle Sitaara | Arts, culture and humanities | 501(c)(3) | 2025 | |||
| Seattle Youth Culture & Art Center | Arts, culture and humanities | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Seed4stem | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Serving Hands Foundation | Human services | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Shri Gopal Charities | Arts, culture and humanities | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Silent Smiles | Human services | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Simperman-Corette Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1995 | $6.1 million | 2025-12 | |
| Sithumina Foundation | International, foreign affairs and national security | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Skwim USA | Recreation and sports | 501(c)(3) | 2011 | $0 | $0 | 2024-12 |
| Skyline Diamond Booster Club | Recreation and sports | 501(c)(3) | 2025 | |||
| Skyline High School Ptsa 2670 | Education | 501(c)(3) | 1998 | $0 | $0 | 2026-06 |
| Smilingtree | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $0 | $0 | 2026-01 |
| Social Safety Federation | Public safety, disaster preparedness and relief | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Soma | Religion-related | 501(c)(3) | 2015 | |||
| Sound of Swing | Arts, culture and humanities | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Spark Steam Education | Education | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Sparsh | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | |||
| Spiritual Assembly of the Bahais of Sammamish | 501(c)(3) | 1995 | ||||
| Spring Development Initiative | Community improvement and capacity building | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Sri Balaji Temple and Cultural Center | Religion-related | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Sri Sudarshana Veda Center | Religion-related | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Stellar Teacher Advantage | Education | 501(c)(3) | 2025 | |||
| Step Forward Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Student Connection Washington | Education | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Stuimpact | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Summer Symphony Music Camp | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Support Young Scholars | Education | 501(c)(3) | 2020 | $0 | $0 | 2023-12 |
| Surge Delight Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $48,000 | 2024-12 | |
| Technoreach | Education | 501(c)(3) | 2025 | |||
| The Blossom School | Education | 501(c)(3) | 2026 | |||
| The Community Well | Education | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| The Giving Hope Project | Food, agriculture and nutrition | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| The Horwitz Family Memorial Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $2.7 million | 2024-12 | |
| The Huayin Peforming Arts Group | Arts, culture and humanities | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| The MM2 Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | |||
| The Wren Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $1 | 2025-12 | |
| Thiri-Org | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Thriven Foundation | Science and technology | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2024-12 | |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2023-12 | |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Totem Diamond Club | Youth development | 501(c)(3) | 2018 | $0 | $0 | 2025-05 |
| Trailbliss | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Transferable Cross Training Foundation | Religion-related | 501(c)(3) | 2004 | $0 | $98,813 | 2025-12 |
| Twim Booster Club | Recreation and sports | 501(c)(3) | 2019 | $3,102 | 2025-12 | |
| Ufe Seattle | Recreation and sports | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Upper Room Ministries | Religion-related | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Vestin Capital Foundation | Arts, culture and humanities | 501(c)(3) | 2025 | |||
| Veteranet Inc | Public and societal benefit | 501(c)(3) | 2019 | $0 | $0 | 2026-01 |
| Vibhavari Arts Foundation | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-03 |
| Wahaha Youth Club | Youth development | 501(c)(3) | 2018 | $0 | $0 | 2025-08 |
| Welkin Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | |||
| West Point Parents Club Ofwashington | Education | 501(c)(3) | 2007 | $0 | $0 | 2026-02 |
| Why Learn Languages | Education | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| World Stem Olympiad | Science and technology | 501(c)(3) | 2018 | $0 | $0 | 2024-06 |
| Wright Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $2.8 million | 2025-12 | |
| You Equals Me | Civil rights, social action and advocacy | 501(c)(3) | 2019 | $397 | 2024-12 |
By cause in Sammamish, WA
- Education 68
- Arts, culture and humanities 37
- Recreation and sports 32
- Human services 27
- Philanthropy, voluntarism and grantmaking foundations 23
- Religion-related 16
- Youth development 14
- Food, agriculture and nutrition 8
- Environment 8
- Health care 7
- Community improvement and capacity building 6
- Public and societal benefit 5
- Civil rights, social action and advocacy 4
- Animal-related 4
- Science and technology 4
- International, foreign affairs and national security 3
- Public safety, disaster preparedness and relief 3
- Medical research 3
Nonprofits in every city of the state
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.