Nonprofits in Westport, Connecticut
Nonprofits in Westport, Connecticut. Browse 456 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
- Staples HS Girls Lacrosse Booster Club Inc
EIN 850719036 · Headquarters: Westport, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Staples Lacrosse
EIN 870781752 · Headquarters: Westport, CT, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Staples Matmen Club
EIN 842084728 · Headquarters: Westport, CT, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Staples Music Parents Association
EIN 272200940 · Headquarters: Westport, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Staples Players Boosters Inc
EIN 862667796 · Headquarters: WESTPORT, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Staples Softball Booster Club
EIN 900672049 · Headquarters: westport, CT, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Staples Softball Booster Club Inc
EIN 823203473 · Headquarters: Westport, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- StartUp Westport Inc
EIN 934193938 · Headquarters: Westport, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Step for a Cause Inc
EIN 861691969 · Headquarters: WESTPORT, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sunrise Rotary 21St Century Foundation Inc
EIN 061616012 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Survive-oars Inc
EIN 862555805 · Headquarters: WESTPORT, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sustainable Westport Inc
EIN 922390110 · Headquarters: Westport, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Suzuki Music School of Westport Inc
EIN 061498198 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Tails
EIN 061616864 · Headquarters: WESTPORT, CT, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Team Digeronimo
EIN 936944639 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Teen Awareness Group
EIN 464949261 · Headquarters: Westport, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Temenos Institute Incorporated
EIN 060948074 · Headquarters: WESTPORT, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2016 · Primary form: IRS Form 990
- The 460 Foundation Inc
EIN 061519305 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Baxter Foundation
EIN 256603101 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Bennington Taylor Foundation C/o Manatuck Hill Ptrs Attn Mark Broach
EIN 061577282 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-PF
- The Bertram Steinman Family Foundation Inc C/o S Steinman
EIN 113570704 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Birchwood Country Club Incorporated
EIN 060614265 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Bittersweet Foundation Inc
EIN 010949570 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Bodhi Tree Foundation
EIN 263756761 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- The Boroughs Family Foundation
EIN 137542229 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Cacouna Foundation Inc
EIN 921864637 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Children's Community Development Center Incorporated
EIN 061030028 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Claus Academy Incorporated
EIN 900510118 · Headquarters: WESTPORT, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- The David and Dorothy Carpenter Charitable Trust
EIN 236951577 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Dionne Foundation Inc
EIN 133797466 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Dottie Club Corp
EIN 990446374 · Headquarters: WESTPORT, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Drake Group Inc
EIN 463685626 · Headquarters: WESTPORT, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Filmmaker Fund
EIN 452982027 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Foundation for Gender Equality
EIN 357133017 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The GDL Foundation
EIN 206390199 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Georgescu Family Foundation
EIN 134111095 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Gupta Family Foundation
EIN 364139351 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Harman Family Foundation Co Richard Harman
EIN 066086169 · Headquarters: Westport, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Hazel Dell Foundation Inc
EIN 136161744 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Helping Heroes Foundation Inc Formerly Thomas Keenan Foundation Inc
EIN 203470263 · Headquarters: WESTPORT, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- The Hole in the Wall Foundation Inc
EIN 203865042 · Headquarters: westport, CT, USA · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990
- The Jewish Center for Community Services Inc
EIN 060655499 · Headquarters: WESTPORT, CT, USA · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990
- The Juan Jacobo De Lara and Jonne Low De Lara Foundation Inc
EIN 061004121 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Kahn Foundation
EIN 463973421 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Karen Katen Foundation
EIN 207103490 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Laurel Camps Foundation Inc
EIN 831697737 · Headquarters: WESTPORT, CT, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- The Leopold Swergold Family Foundation
EIN 311627161 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-PF
- The Libby Holman Foundation Inc C/o Lloyd Clareman
EIN 116037769 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- The Little Pink Shelter Inc
EIN 454150617 · Headquarters: WESTPORT, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Macinnis Family Foundation
EIN 203825167 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Marks Foundation
EIN 133933322 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-PF
- The Martello Family Foundation
EIN 874020692 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Mat Charitable Foundation Inc C/o William T Mccallum Cpa Pc
EIN 136991067 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Mcinerney Family Foundation
EIN 133949885 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Moskowitz Foundation Inc
EIN 222857092 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Neighbors and Newcomers of Westport
EIN 237191817 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- The Niblack Foundation
EIN 527323778 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Northeast Childrens Theatre Company Inc
EIN 452499804 · Headquarters: WESTPORT, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- The Old Oak Trust
EIN 066487646 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Parent Child Center Inc
EIN 061276427 · Headquarters: WESTPORT, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Pray Family Foundation Inc
EIN 900633482 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Rosalind Franklin Society Inc
EIN 205760098 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Sachs Family Foundation
EIN 201991926 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Seevers Family Foundation
EIN 133437890 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Stewart & Constance Greenfield Foundation
EIN 066301506 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Unitarian Universalist Congregation in Westport Inc
EIN 060766361 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T
- The United States Pony Clubs Inc
EIN 066102446 · Headquarters: Westport, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Weismann Foundation
EIN 203969985 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Westport Downtown Association Inc
EIN 061100750 · Headquarters: WESTPORT, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- The Westport Pba Scholarship Foundation Inc
EIN 454003320 · Headquarters: WESTPORT, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Westport Woman's Club Incorporated
EIN 060646962 · Headquarters: WESTPORT, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Witthoey Foundation Inc
EIN 522143620 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Ys Women Inc Barbara Morrow
EIN 471564432 · Headquarters: WESTPORT, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Theorem Media Inc
EIN 833371047 · Headquarters: WESTPORT, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Third Millennium Foundation Inc
EIN 061554774 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Toastmasters International
EIN 136213640 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 942924145 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Troilo Family Scholarship Inc
EIN 812819569 · Headquarters: Westport, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Trumbull Memorial Hospital C/o Winter Harbor Llc
EIN 341461049 · Headquarters: WESTPORT, CT, US · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Trustees of Temple Lodge #65 Af & Am Inc
EIN 066048574 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Tryline Rugby Club Inc
EIN 873440735 · Headquarters: WESTPORT, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- U Thant Insitute Inc
EIN 061468087 · Headquarters: Westport, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Udayani Cultural Club Inc
EIN 882618387 · Headquarters: Westport, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ufcw and Participating Employers New England Health Fund
EIN 066069081 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ufcw Local 371 Community Charity Inc
EIN 262356786 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ukraine Aid International Inc
EIN 881848788 · Headquarters: WESTPORT, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990
- Unbound Collective
EIN 413631910 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Undergraduate Moot Court Team
EIN 843115086 · Headquarters: Westport, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United Food & Commercial Workers Local 371
EIN 060605499 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- United States Power Squadrons
EIN 066063086 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Vfw Auxiliary Department of Connecticut Inc
EIN 270679414 · Headquarters: WESTPORT, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Walsh Family Foundation
EIN 814517504 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Walt Czekaj Foundation Charitable Tr
EIN 276294224 · Headquarters: Westport, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Walter Family Pediatric Leukemia Foundation
EIN 205416137 · Headquarters: WESTPORT, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Walter Kann Foundation Inc
EIN 133381799 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Water Rats Parents Club Inc
EIN 061368264 · Headquarters: WESTPORT, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Welifeguard Inc
EIN 843545413 · Headquarters: Westport, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Westchester County Bankers Associat Ion
EIN 131737016 · Headquarters: WESTPORT, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Western Reserve Care System C/o Winter Harbor Llc
EIN 341454933 · Headquarters: WESTPORT, CT, US · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Weston High School Scholarship Committee
EIN 066032878 · Headquarters: Westport, CT, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N