Environment nonprofits in Washington

Environment nonprofits in Washington. Browse 1,169 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

  1. 1 Green Planet

    EIN 271030377 · Headquarters: RENTON, WA, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990

  2. 1 Sustainable Planet

    EIN 814778993 · Headquarters: Olympia, WA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  3. 2030 Districts Network

    EIN 811537581 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. 21St Century Basic Human Services

    EIN 753125903 · Headquarters: SEATTLE, WA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  5. 300 Trees

    EIN 932302995 · Headquarters: Bellevue, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. 350 Eastside

    EIN 823353315 · Headquarters: Sammamish, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. 350 Seattle

    EIN 464201865 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. 350 Spokane

    EIN 822269221 · Headquarters: Spokane, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. 350 Tacoma

    EIN 822120502 · Headquarters: Tacoma, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. 4-H Clubs & Affiliated 4-H Organizations

    EIN 912152525 · Headquarters: Kelso, WA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  11. 654 Sky Valley Chapter of Trout Unlimited

    EIN 911660721 · Headquarters: MONROE, WA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  12. 911 Glass Rescue

    EIN 862918608 · Headquarters: Chelan, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. A Renewable Earth Nisus

    EIN 461905756 · Headquarters: Renton, WA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  14. A Tree on Morris St

    EIN 993871616 · Headquarters: LA CONNER, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Abc Education-conservation Foundation

    EIN 912085189 · Headquarters: bainbridge island, WA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  16. Abueno Tierra Foundation

    EIN 395060476 · Headquarters: VANCOUVER, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Acme Coyote

    EIN 452888190 · Headquarters: Acme, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Acorn for Tomorrow

    EIN 334377590 · Headquarters: VASHON, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Admiral Water Users Association

    EIN 910870878 · Headquarters: Moses Lake, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Adopt-a-stream Foundation

    EIN 911333737 · Headquarters: Everett, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Advisory Council

    EIN 911767045 · Headquarters: Vancouver, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Agroforestry Northwest

    EIN 922330757 · Headquarters: Bothell, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. Aipe-academy Foundation and Trust

    EIN 436526297 · Headquarters: LACEY, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Air and Waste Management Association - Puget Sound Chapter

    EIN 474798718 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Albers Marcovina Vista Gardens

    EIN 371546572 · Headquarters: BREMERTON, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  26. Alderwood Garden Club

    EIN 352393828 · Headquarters: LYNNWOOD, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Alger Improvement Club

    EIN 911160626 · Headquarters: Burlington, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Allyn Community Association

    EIN 911337682 · Headquarters: ALLYN, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Alpine Conservancy

    EIN 862369825 · Headquarters: Anacortes, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Alpine Lakes Foundation

    EIN 911645167 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Alpine Lakes Protection Society

    EIN 900586360 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. American Friends of Canadian Conservation

    EIN 204817049 · Headquarters: BELLINGHAM, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. American Lake Improvement Club

    EIN 932840977 · Headquarters: Lakewood, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. American Lands Project

    EIN 844700233 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. American Penstemon Society

    EIN 830267834 · Headquarters: Goldendale, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. American Rhododendron Society

    EIN 237433540 · Headquarters: OLYMPIA, WA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  37. American Rhododendron Society

    EIN 911273661 · Headquarters: Marysville, WA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  38. American Rhododendron Society

    EIN 911553194 · Headquarters: CARNATION, WA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  39. American Rhododendron Society

    EIN 916071939 · Headquarters: Bainbridge Island, WA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  40. American Rhododendron Society

    EIN 916090601 · Headquarters: Nordland, WA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  41. American Rose Society

    EIN 581806390 · Headquarters: Marysville, WA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  42. American Rose Society

    EIN 911117871 · Headquarters: Olympia, WA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  43. American Water Resources Association Washington Section

    EIN 911203579 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  44. Anthill Creations Inc

    EIN 931646304 · Headquarters: SEATTLE, WA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  45. Apis Project

    EIN 472496591 · Headquarters: Mount Vernon, WA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  46. Applied Coastal Sciences and Engineering

    EIN 814078618 · Headquarters: VERADALE, WA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  47. Aquascan Coastal Technologies

    EIN 992429609 · Headquarters: OCEAN PARK, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Arboretum Foundation

    EIN 910613583 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Arlington Garden Club

    EIN 260651245 · Headquarters: Arlington, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Artemis Gaia Foundation C/o Sarah Macleod

    EIN 454030254 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  51. Associated Garden Clubs of Spokane

    EIN 910982915 · Headquarters: SPOKANE, WA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  52. Association for the Protection of Hammersley Eld and Totten Inlets

    EIN 911819553 · Headquarters: Olympia, WA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  53. Association for Washington Archaeology

    EIN 911240780 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Association of Environmental Health Academic Programs

    EIN 911992986 · Headquarters: Issaquah, WA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. Association of Friends of Ludlow Bay

    EIN 412145464 · Headquarters: Yakima, WA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  56. Association of Women in Environmental Professions

    EIN 911741513 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  57. B&L Woodwaste Custodial Trust

    EIN 262907095 · Headquarters: Olympia, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. Back Country Horsemen of Idaho Inc

    EIN 800594985 · Headquarters: Pomeroy, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. Back Country Horsemen of Washington

    EIN 261581347 · Headquarters: ELLENSBURG, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Backyard Tourist Incorporated

    EIN 912029025 · Headquarters: Ocean Shores, WA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  61. Bainbridge Conservation Coalition

    EIN 923904848 · Headquarters: Bainbridge Island, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Bainbridge Island Garden Club

    EIN 911017166 · Headquarters: Bainbridge Island, WA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  63. Bainbridge Island Land Trust

    EIN 911439338 · Headquarters: BAINBRIDGE ISLAND, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Barnacles and Bees

    EIN 831313312 · Headquarters: BREMERTON, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Basel Action Network

    EIN 010918435 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Bay Center Improvement Club Association

    EIN 237424525 · Headquarters: Bay Center, WA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  67. Beach and Sea Ocean Plastic Recovery and Recycling

    EIN 823339583 · Headquarters: Colville, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Beautify Bonney Lake

    EIN 203527768 · Headquarters: BONNEY LAKE, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Become a Tree Burial

    EIN 921873886 · Headquarters: Port Angeles, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Bee Inspired Garden and Community Forest

    EIN 990623916 · Headquarters: Onalaska, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Bellevue Botanical Garden Society

    EIN 911333659 · Headquarters: BELLEVUE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Bellingham Land Trust

    EIN 202367141 · Headquarters: BELLINGHAM, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  73. Belltown United

    EIN 850522136 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  74. Benton Conservation Association

    EIN 911733187 · Headquarters: Prosser, WA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  75. Benton County Water Conservacy Board

    EIN 911937992 · Headquarters: paterson, WA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  76. Better World Credits Inc

    EIN 870809000 · Headquarters: SEATTLE, WA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  77. Big Bend Resource Conservation and Development Council

    EIN 911768264 · Headquarters: MOSES LAKE, WA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  78. Bighorn Foundation

    EIN 912017241 · Headquarters: Spokane valley, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Biodiversa Foundation

    EIN 851119766 · Headquarters: TACOMA, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Biota Maxima

    EIN 825518879 · Headquarters: Winthrop, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Birds Connect Seattle

    EIN 916009716 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Birthday Trees of America

    EIN 205054644 · Headquarters: YELM, WA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  83. Black Diamond Bee Rescue

    EIN 863456234 · Headquarters: Port Angeles, WA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  84. Blue Earth Alliance

    EIN 911682270 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  85. Blue Mountain District of Garden Clubs

    EIN 273241867 · Headquarters: Pasco, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Blue Mountain Land Trust

    EIN 911989279 · Headquarters: WALLA WALLA, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Blue Mountain Resourceconservation and Development Council

    EIN 912152491 · Headquarters: Waitsburg, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Bocavaldivia Foundation

    EIN 392134178 · Headquarters: Kingston, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Boeing Employees North End Garden Club

    EIN 800027757 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  90. Boreal Songbird Initiative

    EIN 912158784 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Botanical Medicine Academy

    EIN 742923765 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  92. Braided River

    EIN 743237319 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  93. Braided Seeds

    EIN 852607807 · Headquarters: Tukwila, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  94. Breakthrough Energy Action Inc

    EIN 853694865 · Headquarters: KIRKLAND, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Breakthrough Energy Catalyst Foundation

    EIN 853677542 · Headquarters: KIRKLAND, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Brinnon Group

    EIN 263435280 · Headquarters: Brinnon, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Broadview Garden Club

    EIN 455515196 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Bronze Chapter

    EIN 873027882 · Headquarters: BOW, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Buck Lake Native Plant Garden Association

    EIN 383863959 · Headquarters: Hansville, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Building Transparency

    EIN 842727715 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

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