Unknown & Unclassified nonprofits in Washington
Unknown & Unclassified nonprofits in Washington. Browse 12,928 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
- Horizon Housing Alliance
EIN 330497509 · Headquarters: SPOKANE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Horizon Point Studios
EIN 334625252 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Horizons Foundation
EIN 911493424 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Horizons Ptsa
EIN 911560106 · Headquarters: Lacey, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Horn of Africa Youth & Family Resource Foundation
EIN 333727104 · Headquarters: Kent, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Horn Rapids Players Club
EIN 850924643 · Headquarters: Richland, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hornaday Harris Family Foundation
EIN 566297219 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- Horrigan Foundation Inc
EIN 916058199 · Headquarters: PASCO, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Horse Heaven Community Club Inc
EIN 916054476 · Headquarters: Prosser, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Horse in Motion
EIN 471614382 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Hosanna Christian School
EIN 911161788 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hosmer Business Association
EIN 923149673 · Headquarters: Kirkland, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Hospice Friends
EIN 911246307 · Headquarters: Ellensburg, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hospice of San Juan
EIN 943187972 · Headquarters: FRIDAY HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Hospital Shared Services Association
EIN 916101479 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hot Pads for Hunger
EIN 263833285 · Headquarters: Carlton, WA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Hough Foundation
EIN 943160811 · Headquarters: VANCOUVER, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- House of Friends
EIN 900488071 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- House of Kala
EIN 814200308 · Headquarters: Redmond, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- House Our Neighbors
EIN 932956929 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- How to Be Happy
EIN 383861084 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Howarth Trust Inc
EIN 916053815 · Headquarters: EVERETT, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Hub Community Center
EIN 273609845 · Headquarters: Bremerton, WA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Huckleberry Range Community Collective
EIN 851256704 · Headquarters: GIFFORD, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hudson-essex Terraplane Club Inc
EIN 910956356 · Headquarters: Seabeck, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hugh Obrian Youth Leadership
EIN 911686238 · Headquarters: Redmond, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Hula Halau O Kealaakua Naniloa Manaoakamai
EIN 320839631 · Headquarters: Steilacoom, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Human Life of Wa Education Foundation
EIN 911308745 · Headquarters: SPOKANE VALLEY, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Human Life of Washington
EIN 910904419 · Headquarters: SPOKANE VALLEY, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Humanists of Seattle
EIN 222378540 · Headquarters: TACOMA, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Humanity for Peace
EIN 851624437 · Headquarters: RENTON, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Humberto Souza Charitable Foundation
EIN 992320395 · Headquarters: Renton, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hummingbird Indigenous Family Services
EIN 871513844 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Humptulips Grange 730
EIN 237564018 · Headquarters: OLYMPIA, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Hungarian American Association of Washington
EIN 911265826 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Hunters Chamber of Commerce
EIN 810616590 · Headquarters: Hunters, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Hunters Ridge Homeowners Association
EIN 911433529 · Headquarters: Sammamish, WA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Huskie 10U Fastpitch
EIN 472883815 · Headquarters: Montesano, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Huskytech
EIN 844565440 · Headquarters: Lynnwood, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Hutton Troop 353
EIN 472349500 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Hydropower Masters Swim Club
EIN 264147615 · Headquarters: Wenatchee, WA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Hyla Middle School
EIN 911589173 · Headquarters: Bainbridge Island, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- I Will Be It Alliance
EIN 412474482 · Headquarters: Blaine, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- I9 Sports Assocation Chapter 414
EIN 853989325 · Headquarters: Issaquah, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Iac Chapter 67
EIN 823473648 · Headquarters: Mukilteo, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- IAEDPF Puget Sound Chapter
EIN 800483496 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Iaep Local 530
EIN 464993991 · Headquarters: Everett, WA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Iaff Local 1760 Shoreline
EIN 237389233 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Iaff Local 1762 Firefighters
EIN 521269610 · Headquarters: ISSAQUAH, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Iaff Local Charter 5363
EIN 883077040 · Headquarters: Deer Park, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Iaff Local F282
EIN 911674966 · Headquarters: KEYPORT, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Iaff Local I98
EIN 872533693 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- IAM & AW District Lodge 751 Building Co
EIN 910783066 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- IAM & AW District Lodge 751 Local Lodge C
EIN 916055782 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- IAM & AW District Lodge 751-Local A
EIN 916055781 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- IAM & AW District Lodge 751-Local F
EIN 916055784 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Iam Boeing Negotiating Fund
EIN 916100203 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Iamaw Seattle Air Transport Local 1351
EIN 910615278 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ianus Foundation
EIN 330069455 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Iapmo Tri-cities Washington Chapter
EIN 454869001 · Headquarters: Kennewick, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Iatse Local 93
EIN 911139023 · Headquarters: SPOKANE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Iberoamerican Ministries
EIN 911563968 · Headquarters: MONROE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- IBEW 77 Womens Committee
EIN 852210302 · Headquarters: SeaTac, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ibew Health and Welfare Trust of Southwest Washington Health Care
EIN 237158640 · Headquarters: SPOKANE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- IBEW Local Union 73
EIN 910267934 · Headquarters: Spokane, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ice Age Floods Institute
EIN 460498750 · Headquarters: RICHLAND, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ice Age Floods Institute
EIN 900210057 · Headquarters: RICHLAND, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ice Age Floods Institute
EIN 900288027 · Headquarters: RICHLAND, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Icelandic Club of Greater Seattle
EIN 911060526 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Icicle Canyon Coalition
EIN 911653732 · Headquarters: Leavenworth, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Icwa4action
EIN 934322336 · Headquarters: Burien, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Icwsl
EIN 911630230 · Headquarters: Bothell, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ida Parent Boosters
EIN 933408141 · Headquarters: Kent, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Idaho Alpha Chapter of Phi Delta Theta
EIN 371973358 · Headquarters: SPOKANE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Idaho Region of the Pacific Northwest Clean Water Association
EIN 770674430 · Headquarters: Clarkston, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Idlewild P T a Clover Park Council 5-4-45
EIN 911151318 · Headquarters: Lakewood, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- IFA Seattle Chapter #17
EIN 910600417 · Headquarters: Lacey, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Iglesia Apostolica Jesucristo Roca De Salvacion
EIN 333599991 · Headquarters: Beverly, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Iglesia Cristiana Cristo Vive
EIN 463424392 · Headquarters: Edmonds, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-T
- Iglesia Cristiana Fuente De Vida
EIN 384246999 · Headquarters: Longview, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Iglesia De Dios De La Profesia Rosa of Saron
EIN 300750503 · Headquarters: Tacoma, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Iglesia De Dios Evangelio De Cristo
EIN 825393484 · Headquarters: SHELTON, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Iiba Seattle Chapter
EIN 205160396 · Headquarters: ISSAQUAH, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Ikebana International
EIN 911218502 · Headquarters: Gig Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ikebana International Chapter 19 Seattle Washington
EIN 916075581 · Headquarters: Newcastle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ilea
EIN 901900037 · Headquarters: Bellevue, WA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Illahee House Association
EIN 910776176 · Headquarters: Walla Walla, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Ilm Academy of Washington
EIN 334834889 · Headquarters: VANCOUVER, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ilwaco Merchants Association
EIN 943046075 · Headquarters: Ilwaco, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ilwaco Sports Boosters
EIN 911473194 · Headquarters: LONG BEACH, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ilwu Federated Auxiliary 35
EIN 800818735 · Headquarters: Fife, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- ILWU Local 98
EIN 916054540 · Headquarters: Des Moines, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Imagine Housing
EIN 943110312 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Imagine Housing Communities
EIN 911559906 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- IMC Services
EIN 593816041 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Immanuel Community Services
EIN 260881300 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990
- Immigrant Womens Community Center
EIN 852676180 · Headquarters: Bellevue, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Immigration Counseling and Referral Service
EIN 843246020 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Improved Benevolent & Protective Order of Elks of the World
EIN 910952589 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- In Christ Church
EIN 841929156 · Headquarters: BURLINGTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ