Nonprofits in Mamaroneck, New York
Nonprofits in Mamaroneck, New York. Browse 177 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
- Orienta Yacht Club of Mamaroneck
EIN 131723698 · Headquarters: Mamaroneck, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Pankerkyraikos Association of America Inc
EIN 464683435 · Headquarters: Mamaroneck, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Pathways to Progress Foundation Inc
EIN 331354548 · Headquarters: Mamaroneck, NY, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Pennpac Inc
EIN 900960774 · Headquarters: MAMARONECK, NY, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Police Benevolent Association of the Village of Mamaroneck Inc
EIN 136176766 · Headquarters: MAMARONECK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Powher New York Inc
EIN 473609446 · Headquarters: MAMARONECK, NY, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Project Rebirth Inc
EIN 330994939 · Headquarters: Mamaroneck, NY, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Project Veritas Action Fund
EIN 471809663 · Headquarters: MAMARONECK, NY, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990
- Pta New York Congress
EIN 133767999 · Headquarters: Mamaroneck, NY, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Pta New York Congress
EIN 136165637 · Headquarters: MAMARONECK, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pta New York Congress
EIN 237334881 · Headquarters: MAMARONECK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Pta New York Congress 18-171
EIN 133369011 · Headquarters: MAMARONECK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Publicvoice Inc C/o Amy Brelia
EIN 320219442 · Headquarters: MAMARONECK, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- Pure Creative Arts Inc
EIN 475434951 · Headquarters: Mamaroneck, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Purple People Inc
EIN 870904549 · Headquarters: Mamaroneck, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Rafferty Family Private Foundation
EIN 276590504 · Headquarters: MAMARONECK, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Reclaiming Our Children Inc
EIN 141831763 · Headquarters: MAMARONECK, NY, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Retrain Pain Foundation
EIN 473139958 · Headquarters: MAMARONECK, NY, USA · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- Revitalizing Our Waterways Corp
EIN 133534266 · Headquarters: MAMARONECK, NY, US · Community Improvement & Capacity Building · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Rise Above Social Issues Foundation Inc
EIN 455252958 · Headquarters: MAMARONECK, NY, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Robert L Fine Cancer Research
EIN 134091033 · Headquarters: MAMARONECK, NY, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Rotary International
EIN 136272030 · Headquarters: Mamaroneck, NY, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Rye Neck Alumni Association Inc
EIN 834574308 · Headquarters: Mamaroneck, NY, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Rye Neck Dad's Club
EIN 237279856 · Headquarters: MAMARONECK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Rye Neck Lacrosse Club
EIN 844145086 · Headquarters: MAMARONECK, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rye Neck Student Aid Fund Inc
EIN 136118796 · Headquarters: Mamaroneck, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Seth J Kahn Memorial Foundation
EIN 271347435 · Headquarters: MAMARONECK, NY, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Sh K a Kelmendi Inc
EIN 475370196 · Headquarters: MAMARONECK, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- Shalom Yisrael Inc
EIN 743148036 · Headquarters: Mamaroneck, NY, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Shore Acres Point Corp
EIN 131866768 · Headquarters: MAMARONECK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Short Term Rental and Hospitality
EIN 273279280 · Headquarters: MAMARONECK, NY, USA · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ
- Social and Activities Concepts
EIN 137120566 · Headquarters: Mamaroneck, NY, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sole Mission Inc
EIN 822534213 · Headquarters: MAMARONECK, NY, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sons of Italy in America
EIN 043653730 · Headquarters: MAMARONECK, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sound Shore St Patrick's Day Parade Inc
EIN 451993996 · Headquarters: Mamaroneck, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- South East Consortium
EIN 133076622 · Headquarters: MAMARONECK, NY, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- St Michaels Angels Inc
EIN 334646976 · Headquarters: MAMARONECK, NY, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- St Thomas Orchestra Inc
EIN 760715701 · Headquarters: Mamaroneck, NY, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stage Love Theater Company Inc
EIN 474879221 · Headquarters: MAMARONECK, NY, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Brout Family Foundation Inc
EIN 134090677 · Headquarters: MAMARONECK, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-PF
- The Distinguished Social Ventures Foundation
EIN 454307559 · Headquarters: MAMARONECK, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-PF
- The Emelin Theatre
EIN 133601485 · Headquarters: MAMARONECK, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Fouundation for Minimally Invasive Surgery Inc
EIN 133728171 · Headquarters: MAMARONECK, NY, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- The Friends of the Marine Education Center Inc
EIN 882469911 · Headquarters: Mamaroneck, NY, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Jatoma Charitable Foundation
EIN 137198355 · Headquarters: MAMARONECK, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Main Idea at Camp Walden
EIN 010284115 · Headquarters: Mamaroneck, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Michael H Ludwig Memorial Foundation
EIN 261515562 · Headquarters: MAMARONECK, NY, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The N Foundation Inc
EIN 133361672 · Headquarters: MAMARONECK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Petrillo Family Foundation Trust Fka Felix & Carol Petrillo Family
EIN 137305106 · Headquarters: MAMARONECK, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Red Chair Projects Inc
EIN 010848697 · Headquarters: MAMARONECK, NY, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- The Verni Foundation Inc % Verco Properties Llc
EIN 260076179 · Headquarters: MAMARONECK, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Winged Foot Foundation Inc
EIN 854373180 · Headquarters: MAMARONECK, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Witten Family Foundation
EIN 133632751 · Headquarters: Mamaroneck, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Think U1 Inc
EIN 844409791 · Headquarters: MAMARONECK, NY, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Tiger Paws Sports Inc
EIN 262862339 · Headquarters: Mamaroneck, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Tiger Team-the Mamaroneck High School Booster Club Inc
EIN 205276175 · Headquarters: MAMARONECK, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 901504049 · Headquarters: Mamaroneck, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Trinity College Fund Inc
EIN 136187951 · Headquarters: MAMARONECK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- True World Ministries Inc
EIN 364796490 · Headquarters: MAMARONECK, NY, US · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Westchester Accuiel Corp
EIN 342017241 · Headquarters: MAMARONECK, NY, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Westchester Hebrew High School
EIN 132666864 · Headquarters: Mamaroneck, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Westchester Music Festival Inc
EIN 850542532 · Headquarters: Mamaroneck, NY, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Westchester Vipers Hockey Association Inc
EIN 134079919 · Headquarters: MAMARONECK, NY, USA · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990
- White Lotus Philanthropy Ltd
EIN 823953939 · Headquarters: MAMARONECK, NY, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wild Relatives Inc
EIN 932314137 · Headquarters: MAMARONECK, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Winged Foot Golf Club
EIN 131737538 · Headquarters: Mamaroneck, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wjc Cemetery Association Inc
EIN 133245811 · Headquarters: MAMARONECK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Womans Club of Mamaroneck Inc
EIN 131776687 · Headquarters: Mamaroneck, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- World Ayyappa Seva Trust
EIN 472030704 · Headquarters: Mamaroneck, NY, United States · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yacht Racing Association of Long Island Sound Inc
EIN 135655518 · Headquarters: MAMARONECK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Young Presidents Organization Inc Long Island
EIN 112962235 · Headquarters: MAMARONECK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Youth Alternatives to Incarceration Inc
EIN 874099613 · Headquarters: Mamaroneck, NY, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Youth Employment Service of Larchmont-mamaroneck Inc
EIN 136174434 · Headquarters: Mamaroneck, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Youth Soccer of New Rochelle Inc Clinton Devoe
EIN 133019954 · Headquarters: MAMARONECK, NY, USA · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990
- Ypo Manhattan Gold Inc
EIN 830733037 · Headquarters: MAMARONECK, NY, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ypo Manhattan Inc
EIN 203323658 · Headquarters: MAMARONECK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ypo New York City Chapter
EIN 421683818 · Headquarters: MAMARONECK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990