Nonprofits in San Mateo, California
Nonprofits in San Mateo, California. Browse 663 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- Theology Academy
EIN 301318753 · Headquarters: SAN MATEO, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Tiyeni USA Inc
EIN 394744910 · Headquarters: SAN MATEO, CA, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 201855871 · Headquarters: San Mateo, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 237095597 · Headquarters: San Mateo, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 260479995 · Headquarters: San Mateo, CA, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 320620047 · Headquarters: San Mateo, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 770572288 · Headquarters: San Mateo, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 901039131 · Headquarters: San Mateo, CA, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 901100419 · Headquarters: San Mateo, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 901122836 · Headquarters: San Mateo, CA, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 901127482 · Headquarters: San Mateo, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 901187039 · Headquarters: San Mateo, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 901329665 · Headquarters: San Mateo, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Tongxin Foundation
EIN 412474481 · Headquarters: San Mateo, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Top Gun Invitational Foundation
EIN 392926627 · Headquarters: San Mateo, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Townsend Street 130 Corp
EIN 991973554 · Headquarters: San Mateo, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Tracy Capital Park Corp
EIN 473292249 · Headquarters: San Mateo, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Truebeck Foundation
EIN 884155861 · Headquarters: San Mateo, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Tzu Hsiang Tao Yuan
EIN 203738866 · Headquarters: SAN MATEO, CA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Uc Davis Men S Rugby Alumni Association Incorporated
EIN 822129960 · Headquarters: San Mateo, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Uewm Alumni Association Corporation
EIN 882384042 · Headquarters: San Mateo, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Unfolding Adventures for Women
EIN 261879224 · Headquarters: San Mateo, CA, US · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- United Arcadians of San Francisco 35
EIN 202647853 · Headquarters: san mateo, CA, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- United States Bowling Congress Inc
EIN 204792306 · Headquarters: San Mateo, CA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Unitedly
EIN 881670741 · Headquarters: San Mateo, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- UP Academy Inc DBA UP Academy Rebel Educator
EIN 473778391 · Headquarters: San Mateo, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Up-lock Academy Co Sandra Kahn
EIN 933001822 · Headquarters: SAN MATEO, CA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Uplevel Inc
EIN 372061775 · Headquarters: San Mateo, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Us Camanachd Association Inc
EIN 452353658 · Headquarters: San Mateo, CA, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Us-india Venture Capital Association
EIN 020647599 · Headquarters: SAN MATEO, CA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Usnscc Band of the West
EIN 462604036 · Headquarters: San Mateo, CA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Utility Workers Union of America California Water Utility Council
EIN 946088207 · Headquarters: San Mateo, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Via Vetera
EIN 352638061 · Headquarters: SAN MATEO, CA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Vijay and Tina Patel Foundation Inc
EIN 921364746 · Headquarters: San Mateo, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Village Hope Partnership Inc
EIN 472774879 · Headquarters: San Mateo, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Vishwa Shanthi Arts Foundation
EIN 332148184 · Headquarters: San Mateo, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Vitality University School of Science
EIN 770405138 · Headquarters: SAN MATEO, CA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Voiture Nationale La Societe Des 40 Hommes Et 8 Chevaux
EIN 946133087 · Headquarters: San Mateo, CA, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Vortex Robotics
EIN 923594689 · Headquarters: San Mateo, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wah Yan College San Francisco Association Inc
EIN 943192255 · Headquarters: San Mateo, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Waikoloa Mauka Land Corp
EIN 472800510 · Headquarters: SAN MATEO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Warm Water Wellness Inc
EIN 874048687 · Headquarters: San Mateo, CA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- West Coast Federals Baseball Club
EIN 461293755 · Headquarters: SAN MATEO, CA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- West Tasman Drive 10 Corp
EIN 992061466 · Headquarters: SAN MATEO, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Western Institute of Legal Medicine
EIN 452690040 · Headquarters: SAN MATEO, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- Whos Who on Tv Inc
EIN 943141809 · Headquarters: SAN MATEO, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- With Foundation
EIN 731644863 · Headquarters: SAN MATEO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Wjm Foundatdion
EIN 475345971 · Headquarters: SAN MATEO, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Womans Club of San Mateo
EIN 946096773 · Headquarters: San Mateo, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Women in Telecommunications
EIN 680367846 · Headquarters: San Mateo, CA, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Women Investors Academy
EIN 834663814 · Headquarters: SAN MATEO, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Womens Club of San Mateo Trust Fund
EIN 946175138 · Headquarters: SAN MATEO, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ
- Woodlawn Foundation
EIN 940661414 · Headquarters: SAN MATEO, CA, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990
- Wukong Education
EIN 995041894 · Headquarters: SAN MATEO, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Xelay Foundation
EIN 810846134 · Headquarters: SAN MATEO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Yacht Shrine Club
EIN 237133117 · Headquarters: SAN MATEO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ynez Road Corp
EIN 475414002 · Headquarters: SAN MATEO, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990
- Young Irelanders Gfc
EIN 333604563 · Headquarters: San Mateo, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Youth Tennis & Tutoring
EIN 454244415 · Headquarters: San Mateo, CA, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Yun Family Foundation
EIN 822143527 · Headquarters: SAN MATEO, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Zawaya
EIN 680532370 · Headquarters: SAN MATEO, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Zief Family Foundation Inc
EIN 941676472 · Headquarters: San Mateo, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Zoetic Tapestry Project
EIN 882301175 · Headquarters: SAN MATEO, CA, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N