Nonprofits in Walnut Creek, California
Nonprofits in Walnut Creek, California. Browse 877 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
- Rossmoor Art Association of Walnut Creek Inc
EIN 942289802 · Headquarters: Walnut Creek, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Rossmoor Camera Club
EIN 680005928 · Headquarters: Walnut Creek, CA, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Rossmoor Ceramic Arts Club
EIN 942506646 · Headquarters: WALNUT CREEK, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Rossmoor Chamber Music Society
EIN 872144116 · Headquarters: Walnut Creek, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Rossmoor Duplicate Bridge Club
EIN 680008417 · Headquarters: Walnut Creek, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Rossmoor Fund
EIN 270479896 · Headquarters: Walnut Creek, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Rossmoor Garden Club
EIN 372023517 · Headquarters: Walnut Creek, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rossmoor Golf Clubs
EIN 237162223 · Headquarters: Walnut Creek, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Rossmoor Lawn Bowling Club Inc
EIN 237032758 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rossmoor Lesbian Social Club
EIN 472253051 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Rossmoor Lgbt Alliance
EIN 811037358 · Headquarters: Walnut Creek, CA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rossmoor Library Association
EIN 680201702 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Rossmoor Massage and Bodywork Club
EIN 274628115 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Rossmoor Rotary Foundation
EIN 680048178 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rossmoor Scholarship Foundation
EIN 946126368 · Headquarters: Walnut Creek, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- Rossmoor Tennis Club
EIN 900872683 · Headquarters: WALNUT CREEK, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rossmoor Volunteer Exchange Program
EIN 262260449 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Rossmoor Wine & Food Society
EIN 352565333 · Headquarters: Walnut Creek, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rossmoor Woodshop Supervisors Club
EIN 932182823 · Headquarters: Walnut Creek, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rotary Club of Rossmoor Walnut Creek
EIN 941631412 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Rotary Club of Walnut Creek
EIN 946103449 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Rotary International
EIN 271309632 · Headquarters: Walnut Creek, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Rothenberg Endowment Fund
EIN 872351704 · Headquarters: Walnut Creek, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Rudgear Estates Swim Team
EIN 352329312 · Headquarters: WALNUT CREEK, CA, USA · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Russian Drama Club Skazka
EIN 208072067 · Headquarters: Walnut Creek, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Russian Speaking Professionals Group
EIN 710947819 · Headquarters: Walnut Creek, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rusty Bindings Ski Club
EIN 942811419 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ryder Family Foundation
EIN 943288444 · Headquarters: WALNUT CREEK, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Safety in Technology Initiative
EIN 994663708 · Headquarters: Walnut Creek, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Salinas 183 Charitable Foundation
EIN 943196709 · Headquarters: Walnut Creek, CA, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Samuel and Minnie Feldman Charitable Foundation Inc
EIN 521157486 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- San Francisco Bay Area Urantia Society
EIN 942382637 · Headquarters: Walnut Creek, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Francisco Fly Casting
EIN 940835590 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Sandplay Therapists of America
EIN 411656585 · Headquarters: WALNUT CREEK, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Sangama
EIN 813202181 · Headquarters: Walnut Creek, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sar Dog Foundry
EIN 010590635 · Headquarters: Walnut Creek, CA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Save Mount Diablo
EIN 942681735 · Headquarters: WALNUT CREEK, CA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Scottsdale Booster Club
EIN 931761823 · Headquarters: Walnut Creek, CA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Scottsdale Swim Club
EIN 941582804 · Headquarters: WALNUT CREEK, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Searchlight Books
EIN 942624590 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seascape Senior Housing Inc C/o Christian Church Homes
EIN 942911626 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Shelby Clark Fund
EIN 991501048 · Headquarters: Walnut Creek, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Shem Womens Group USA
EIN 260605610 · Headquarters: Walnut Creek, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Sherri Kelley Tennant Melanoma Cancer Awareness and Research Found
EIN 208541616 · Headquarters: Walnut Creek, CA, US · Medical Research · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Sierra Chamber Society
EIN 202421718 · Headquarters: Walnut Creek, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sikh Health Foundation Network
EIN 921238125 · Headquarters: walnut creek, CA, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Silaf Corporation
EIN 472351525 · Headquarters: Walnut Creek, CA, US · Youth Development · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Silk Road House
EIN 562622381 · Headquarters: WALNUT CREEK, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Single Moms and Youth Resource
EIN 413255447 · Headquarters: WALNUT CREEK, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Sixth Line Studios
EIN 934410064 · Headquarters: WALNUT CREEK, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Slow Food USA Inc
EIN 204016103 · Headquarters: Walnut Creek, CA, US · Food, Agriculture & Nutrition · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Smc Mens Lacrosse Alumni Charities
EIN 820745077 · Headquarters: Walnut Creek, CA, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Snehacares Inc
EIN 474546970 · Headquarters: Walnut Creek, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society for Artificial Intelligence and Statistics Inc
EIN 521584800 · Headquarters: WalNUT CREEK, CA, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer
EIN 237292972 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Amateur Radio Operators
EIN 943096193 · Headquarters: Walnut Creek, CA, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Society of Fire Protection Engineers
EIN 946124097 · Headquarters: Walnut Creek, CA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Somos Emprendedores
EIN 882778837 · Headquarters: WALNUT CREEK, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Soroptimist International of the Americas Inc
EIN 202317845 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Soroptimist International of the Americas Inc
EIN 680014751 · Headquarters: Walnut Creek, CA, US · Crime & Legal Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- South Bay Pathology Society Co Armen Khararjian President
EIN 800228728 · Headquarters: WALNUT CREEK, CA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- South East Asia Rescue Coalition and Haven
EIN 834708898 · Headquarters: Walnut Creek, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- Southern Ca Environ Contractors
EIN 814110591 · Headquarters: WALNUT CREEK, CA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Southern Ca Environment Contractors Ipt
EIN 300914931 · Headquarters: WALNUT CREEK, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- SpeakLocal
EIN 920267093 · Headquarters: WALNUT CREEK, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Special Education Assistance of Walnut Creek School District
EIN 352194136 · Headquarters: Walnut Creek, CA, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Species Survival Alliance
EIN 203891883 · Headquarters: Walnut Creek, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Spectrum Strategies
EIN 465557471 · Headquarters: Walnut Creek, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Speech Pathology Group Childrens Services International Inc
EIN 263473755 · Headquarters: Walnut Creek, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Spontaneous Mind
EIN 882141092 · Headquarters: Walnut Creek, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- St Bartholomew Foundation
EIN 812587524 · Headquarters: Walnut creek, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Mary's Elderly Housing Corporation Inc
EIN 942472327 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Star Ranch
EIN 352746085 · Headquarters: WALNUT CREEK, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stars 2000
EIN 472004436 · Headquarters: WALNUT CREEK, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Stemsi
EIN 853589280 · Headquarters: Walnut Creek, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Steven a Genard AIDS Assistance Foundation Inc
EIN 680270574 · Headquarters: Walnut Creek, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Stopping Traffick Inc
EIN 873125478 · Headquarters: WALNUT CREEK, CA, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Story Leaf
EIN 844582283 · Headquarters: WALNUT CREEK, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Storytelling Association of Alta California
EIN 943227609 · Headquarters: Walnut Creek, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stronger Democracy Through Artificial Intelligence
EIN 921401889 · Headquarters: Walnut Creek, CA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sukrupa
EIN 522187145 · Headquarters: Walnut Creek, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sun Valley Aquatics Foundation
EIN 824658335 · Headquarters: Walnut Creek, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sunrise Rotary Community Foundation
EIN 943165966 · Headquarters: Walnut Creek, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Support 4 Recovery Inc
EIN 611538303 · Headquarters: WALNUT CREEK, CA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990
- Support Widowed Women & Orphaned Children Organization -Swwoc
EIN 923809653 · Headquarters: Walnut Creek, CA, US · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Surety Association of Northern California
EIN 941017172 · Headquarters: WALNUT CREEK, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sustainable Contra Costa
EIN 300670501 · Headquarters: Walnut Creek, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Swami Vivekananda Celebratory Organization
EIN 455514903 · Headquarters: Walnut Creek, CA, US · Religion Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Sycamore Place Ii Senior Housing Corporation
EIN 460497244 · Headquarters: WALNUT CREEK, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sydney Paige Foundation
EIN 832089156 · Headquarters: Walnut Creek, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Syringa Plaza Inc
EIN 820466413 · Headquarters: WALNUT CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Szkoła Języka Polskiego W Walnut Creek Imienia Jana Pawła II
EIN 237012816 · Headquarters: Walnut Creek, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Tackling The Odds CO Phillips Spallas & Angstadt LLP
EIN 271418417 · Headquarters: Walnut Creek, CA, US · Youth Development · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Tafoya Reunion
EIN 272077801 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Taiwanese American Culture Center of East Bay
EIN 883313418 · Headquarters: WALNUT CREEK, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Tang Foundation
EIN 320780914 · Headquarters: Walnut Creek, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Te Mana O Te Ra
EIN 943295745 · Headquarters: Walnut Creek, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Team Blue Charities
EIN 273188947 · Headquarters: WALNUT CREEK, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Team Cbt International Inc
EIN 874788067 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Teens and Parents Service Society
EIN 030419300 · Headquarters: WALNUT CREEK, CA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ