Nonprofits in Waltham, Massachusetts
Nonprofits in Waltham, Massachusetts. Browse 565 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
- Vulvodynia Matters Inc
EIN 272921951 · Headquarters: Waltham, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Waltham Amateur Radio Association
EIN 042999893 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Waltham Arts Council Inc
EIN 510192281 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Waltham Auxiliary Firefighters Association Inc
EIN 222819013 · Headquarters: Waltham, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Waltham Boys & Girls Club Inc
EIN 042103927 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Waltham Building Maintenance Workers Association
EIN 871643472 · Headquarters: WALTHAM, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Waltham Celebration Committee C/o Jennifer Fitzgerald
EIN 043313067 · Headquarters: WALTHAM, MA, USA · Youth Development · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Waltham Centennial Scholarship FoundationInc
EIN 043292009 · Headquarters: Waltham, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Waltham Chamber of Commerce Inc
EIN 041944360 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Waltham Chapter 2456 Women of the Moose
EIN 901187284 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Waltham Choral Parents Association Inc
EIN 043333642 · Headquarters: Waltham, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Waltham Community Access Corporation
EIN 042982373 · Headquarters: WALTHAM, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Waltham Community Foundation Inc
EIN 042105808 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Waltham Day Care Center Inc
EIN 042514419 · Headquarters: WALTHAM, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Waltham Democratic City Committee
EIN 300856126 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Waltham Devil Dogs Football Organization Inc
EIN 222864893 · Headquarters: WALTHAM, MA, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990
- Waltham Dual Language Parent Teacher Organization
EIN 823883171 · Headquarters: WALTHAM, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Waltham Education and Beyond Foundation Inc
EIN 510642060 · Headquarters: WALTHAM, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Waltham Educators Association C/o Paul Perz
EIN 237274517 · Headquarters: WALTHAM, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Waltham Farmers Market
EIN 990981339 · Headquarters: Waltham, MA, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Waltham Friends of Scouting Incorporated
EIN 880824407 · Headquarters: Waltham, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Waltham Girls Softball Inc
EIN 203481770 · Headquarters: WALTHAM, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Waltham Gridiron Club Foundation Inc
EIN 464999829 · Headquarters: WALTHAM, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Waltham Historical Society Inc
EIN 046130517 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Waltham Islamic Society Inc
EIN 205435241 · Headquarters: Waltham, MA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Waltham Land Tr Inc
EIN 043492978 · Headquarters: Waltham, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Waltham Lions Charitable Foundation Inc
EIN 651251054 · Headquarters: WALTHAM, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Waltham Lodge No 1018 Loyal Order of Moose
EIN 041559260 · Headquarters: Waltham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Waltham Municipal Employees Cu
EIN 042281295 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Waltham Museum Inc
EIN 237177668 · Headquarters: WALTHAM, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Waltham News Alliance
EIN 992907865 · Headquarters: WALTHAM, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Waltham Partnership for Youth Inc
EIN 043399437 · Headquarters: WALTHAM, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Waltham Philharmonic Orchestra Inc
EIN 222888145 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Waltham Police Patrolman's Union
EIN 900336984 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Waltham Police Relief Association
EIN 046064763 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Waltham Post 2152 Veterans of Foreign Wars of United States
EIN 042313092 · Headquarters: Waltham, MA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Waltham Rotary Fund Inc
EIN 237329099 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Waltham Symphony Orchestra Inc
EIN 412262395 · Headquarters: WALTHAM, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Waltham Tourism Council Inc
EIN 043489710 · Headquarters: WALTHAM, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Waltham West Suburban Chamber of Commerc
EIN 043375934 · Headquarters: WALTHAM, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Waltham Youth Baseball
EIN 814320018 · Headquarters: Waltham, MA, United States · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Waltham Youth Field Hockey Inc
EIN 392821937 · Headquarters: Waltham, MA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Waltham Youth Football & Cheer Scholarship Fund
EIN 845137603 · Headquarters: Waltham, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Waltham Youth Hockey Association Inc
EIN 237361725 · Headquarters: WALTHAM, MA, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990
- Waltham Youth Soccer
EIN 223329202 · Headquarters: WALTHAM, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990
- Washington County Maine Records Preservation Fund
EIN 311709122 · Headquarters: Waltham, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Watch City Community Boxing and Fitness Inc
EIN 334922054 · Headquarters: Waltham, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- WATCH Inc
EIN 222918528 · Headquarters: Waltham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Watertown
EIN 043507965 · Headquarters: waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Watertown Running Club Inc
EIN 393245161 · Headquarters: Waltham, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Watertown-belmont Youth Football and Cheer Inc
EIN 850743811 · Headquarters: Waltham, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- WCI: Work Community Independence
EIN 237427897 · Headquarters: Waltham, MA, USA · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990
- We the People Greater Boston
EIN 464547031 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Weissman Family Charitable Foundation Attn Laura Davis Trustee
EIN 046930997 · Headquarters: WALTHAM, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Wide Horizons for Children Inc
EIN 042564960 · Headquarters: WALTHAM, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wide Horizons Fund for Children
EIN 260372159 · Headquarters: Waltham, MA, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- William F & Juliana W Thompson Charitable Fund
EIN 222946782 · Headquarters: WALTHAM, MA, USA · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990
- William F Stanley Elementary School Pto
EIN 200924576 · Headquarters: Waltham, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Women of Purpose International
EIN 263185181 · Headquarters: WALTHAM, MA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wopi Boston Inc
EIN 471706421 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Workers Compensation Research Institute
EIN 363264285 · Headquarters: WALTHAM, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- World Youth Mission
EIN 311809539 · Headquarters: Waltham, MA, USA · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990
- Young Alumni Volunteer Association Incorporated
EIN 204469638 · Headquarters: Waltham, MA, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Zeitz Foundation
EIN 650190440 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Zeta Beta Tau Fraternity
EIN 201641890 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N