Nonprofits in San Marcos, Texas
Nonprofits in San Marcos, Texas. Browse 437 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
- Friends of Aquatic Resources Center
EIN 475051526 · Headquarters: San Marcos, TX, US · Animal Related · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Friends of Holy Trinity Oaxaca
EIN 883880689 · Headquarters: San Marcos, TX, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the 636Th Military Intelligence Battalion
EIN 263597663 · Headquarters: San Marcos, TX, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Friends of the Family Justice Center
EIN 261180214 · Headquarters: San Marcos, TX, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the San Marcos Cemetery Inc
EIN 731683154 · Headquarters: San Marcos, TX, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Friends of the San Marcos Public Library
EIN 746071455 · Headquarters: San Marcos, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Full Proof Man Inc
EIN 874405422 · Headquarters: San Marcos, TX, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Gamma Phi Beta Sorority Gamma Chi Chapter
EIN 461109257 · Headquarters: SAN MARCOS, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Gamma Sigma Sigma National Service Sorority
EIN 742862526 · Headquarters: San Marcos, TX, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Gary Community Relations Council
EIN 742638499 · Headquarters: San Marcos, TX, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- General Society of the War of 1812
EIN 226042718 · Headquarters: San Marcos, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Glad Mission
EIN 814694548 · Headquarters: San Marcos, TX, US · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Goodnight Middle School Ptso
EIN 454519699 · Headquarters: SAN MARCOS, TX, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- Grande Community Chest
EIN 742977927 · Headquarters: SAN MARCOS, TX, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Greater Austin San Antonio Corridor Corridor Council Inc
EIN 742316871 · Headquarters: SAN MARCOS, TX, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Greater S Sgt J P Nevares Women a G I F Chapter
EIN 462030148 · Headquarters: san marcos, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Greater San Marcos Area Senior Asso
EIN 742761578 · Headquarters: San Marcos, TX, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Greater San Marcos Economic Dev
EIN 800624502 · Headquarters: SAN MARCOS, TX, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990
- Greater San Marcos Youth Council Inc
EIN 742553659 · Headquarters: San Marcos, TX, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greek Affairs Programming Board
EIN 473230759 · Headquarters: SAN MARCOS, TX, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Gruene Orchid Society
EIN 260573987 · Headquarters: San Marcos, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Gulf Coast Strategic Highway Coalition
EIN 815298325 · Headquarters: SAN MARCOS, TX, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Habitat for Humanity International San Marcos Area
EIN 742720123 · Headquarters: SAN MARCOS, TX, USA · Housing & Shelter · Latest available filing year: 2016 · Primary form: IRS Form 990
- Harleys Wallet
EIN 831437763 · Headquarters: San Marcos, TX, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harold M Freeman Educational Foundation
EIN 746334098 · Headquarters: SAN MARCOS, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harry H Clary Memorial Foundation
EIN 050535178 · Headquarters: San Marcos, TX, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Hays Caldwell Council on Alcohol and Drug Abuse
EIN 742347646 · Headquarters: San Marcos, TX, USA · Mental Health & Crisis Intervention · Latest available filing year: 2015 · Primary form: IRS Form 990
- Hays County Bar Association
EIN 742807892 · Headquarters: San Marcos, TX, US · Crime & Legal Related · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Hays County Brown Santa
EIN 461054503 · Headquarters: San Marcos, TX, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Hays County Citizen Sheriffs Academy Alumni Association Inc
EIN 742974480 · Headquarters: San Marcos, TX, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hays County Crime Stoppers Inc
EIN 742202781 · Headquarters: San Marcos, TX, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Hays County Farm Bureau
EIN 746060605 · Headquarters: SAN MARCOS, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Hays County Film Advisory Board
EIN 334296081 · Headquarters: San Marcos, TX, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hays County Food Bank
EIN 742331781 · Headquarters: San Marcos, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hays County Homespun Eci Inc
EIN 742356620 · Headquarters: San Marcos, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hays County Honor Guard Inc
EIN 884281745 · Headquarters: San Marcos, TX, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hays County Veterans Memorial
EIN 742859289 · Headquarters: san marcos, TX, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Hays County Womens Political Caucus
EIN 372067766 · Headquarters: SAN MARCOS, TX, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hays Memorial Hospital Association Of
EIN 741362785 · Headquarters: San Marcos, TX, USA · Health Care · Latest available filing year: 2012 · Primary form: IRS Form 990
- Hays-caldwell Women's Center
EIN 742020505 · Headquarters: SAN MARCOS, TX, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990
- Health Air
EIN 204982160 · Headquarters: SAN MARCOS, TX, USA · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- Healthy Mormon Journeys Foundation Inc
EIN 814334761 · Headquarters: San Marcos, TX, US · Mental Health & Crisis Intervention · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Heritage Association of San Marcos
EIN 741907674 · Headquarters: SAN MARCOS, TX, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hermandad Discipulos De Jesus
EIN 810774124 · Headquarters: San Marcos, TX, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Hernandez Elementary PTO
EIN 912199420 · Headquarters: San Marcos, TX, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Heros Patriarchs and Matriarchs
EIN 833302703 · Headquarters: san marcos, TX, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hill Country Cook-off Association
EIN 461967558 · Headquarters: San Marcos, TX, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hill Country Human Resource Management Association
EIN 943459468 · Headquarters: San Marcos, TX, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hill Country Suzuki Organization
EIN 742864622 · Headquarters: San Marcos, TX, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hispanic Business Student Association
EIN 742702550 · Headquarters: San Marcos, TX, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Homeless Outreach Mitigation and Emergency Center
EIN 841922112 · Headquarters: San Marcos, TX, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Honor Society of Phi Kappa Phi
EIN 463831593 · Headquarters: SAN MARCOS, TX, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hope for Orphans International
EIN 471444249 · Headquarters: San Marcos, TX, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hope Restored International
EIN 463622979 · Headquarters: San Marcos, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Horton House Inc
EIN 853186328 · Headquarters: San Marcos, TX, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hortus Colere
EIN 201590783 · Headquarters: San Marcos, TX, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Ibew Local Union 1548
EIN 742076635 · Headquarters: San Marcos, TX, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Igniting Prayer Action
EIN 264484832 · Headquarters: SAN MARCOS, TX, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- In Service of Humanity Inc
EIN 333085566 · Headquarters: SAN MARCOS, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Independent Telephone Pioneer Association
EIN 521254913 · Headquarters: SAN MARCOS, TX, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Independent Telephone Pioneer Association
EIN 742727318 · Headquarters: San Marcos, TX, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Infrarrealista Review
EIN 933646565 · Headquarters: San Marcos, TX, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Insights Association South Central Chapter
EIN 942936757 · Headquarters: SAN MARCOS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Association of Fire Fighters
EIN 743015024 · Headquarters: San Marcos, TX, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- International Association of Fire L3963 San Marcos
EIN 912004719 · Headquarters: SAN MARCOS, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- International Association of Lions Clubs
EIN 742642066 · Headquarters: SAN MARCOS, TX, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Reading Association Inc
EIN 742371288 · Headquarters: San Marcos, TX, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- International Society of Applied Intelligence
EIN 742662126 · Headquarters: San Marcos, TX, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Jds Giving Community
EIN 823035240 · Headquarters: SAN MARCOS, TX, US · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Jesus Rescued Me Ministry
EIN 854329044 · Headquarters: SAN MARCOS, TX, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Jivel Tousand Ministries
EIN 823937597 · Headquarters: San Marcos, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Joe Declassified
EIN 473709918 · Headquarters: San Marcos, TX, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Johnnie T Rosales Memorial Inc
EIN 453213198 · Headquarters: San Marcos, TX, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Josh Morgan Band
EIN 262463037 · Headquarters: San Marcos, TX, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Juneteenth Foundation Inc
EIN 274294841 · Headquarters: SAN MARCOS, TX, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kappa Alpha Order Epsilon Iota Chapter
EIN 742087219 · Headquarters: SAN MARCOS, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Kappa Alpha Psi Fraternity
EIN 521249970 · Headquarters: San Marcos, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Kappa Sigma Fraternity
EIN 746083475 · Headquarters: SAN MARCOS, TX, USA · Education · Latest available filing year: 2010 · Primary form: IRS Form 990
- Ki Education Foundation
EIN 462295875 · Headquarters: San Marcos, TX, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Kingdom Sound Network
EIN 412999902 · Headquarters: San Marcos, TX, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kissing Tree Pickleball Association
EIN 320763765 · Headquarters: San Marcos, TX, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Kissing Tree Pickleball Association
EIN 845005610 · Headquarters: San Marcos, TX, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Kissing Tree Pickleball Tournament Association
EIN 922554438 · Headquarters: San Marcos, TX, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kissing Tree Veterans Group
EIN 881015023 · Headquarters: San Marcos, TX, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Kiwanis Club of San Marcos Texas Foundation
EIN 392320037 · Headquarters: San Marcos, TX, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kiwanis International
EIN 746060899 · Headquarters: San Marcos, TX, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Kiwanis International Inc
EIN 746060898 · Headquarters: San Marcos, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 237546040 · Headquarters: San Marcos, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 922509642 · Headquarters: San Marcos, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kt Darters
EIN 393316251 · Headquarters: SAN MARCOS, TX, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kt Karacters
EIN 993048768 · Headquarters: San Marcos, TX, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kyles Chain Reaction Inc
EIN 455570121 · Headquarters: San Marcos, TX, US · Food, Agriculture & Nutrition · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- La Leche of the United States of America
EIN 205019285 · Headquarters: San Marcos, TX, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- La Sociedad Cuauhtemoc
EIN 746061906 · Headquarters: SAN MARCOS, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Leadership San Marcos Alumni Association
EIN 742641332 · Headquarters: San Marcos, TX, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- League of United Latin America Citizens
EIN 464138681 · Headquarters: San Marcos, TX, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- League of United Latin America Citizens
EIN 742697148 · Headquarters: San Marcos, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- League of United Latin American Citizens
EIN 208375882 · Headquarters: San Marcos, TX, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Life Unlimited Ministries Inc
EIN 934242469 · Headquarters: San Marcos, TX, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Lifelong Learning Organization of San Marcos Texas
EIN 823006115 · Headquarters: San Marcos, TX, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N