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. Mid-columbia Fisheries Enhancement

    EIN 200024733 · Headquarters: WHITE SALMON, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Millennial Donors a Nonprofit Corporation

    EIN 842875697 · Headquarters: Bellingham, WA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  3. Million Waves Project

    EIN 830660068 · Headquarters: ANACORTES, WA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  4. Mini Mart City Park

    EIN 462201493 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. Mining Standards Foundation

    EIN 811051397 · Headquarters: Blaine, WA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  6. Mission Meadows Community Garden

    EIN 992952394 · Headquarters: spokane valley, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Monroe Rod & Gun Club Inc

    EIN 911790210 · Headquarters: Monroe, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Monte Cristo Preservation Association

    EIN 911230143 · Headquarters: Everett, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Moontown Foundation

    EIN 208210672 · Headquarters: Shoreline, WA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  10. Moses Lake Building Association Inc

    EIN 916054388 · Headquarters: Moses Lake, WA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  11. Mossyrock Garden Club

    EIN 910979095 · Headquarters: Mossyrock, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Mount St Helens Institute

    EIN 911569993 · Headquarters: AMBOY, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Mount Vernon Parks Foundation

    EIN 911337645 · Headquarters: MOUNT VERNON, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Mountain Youth Outfitters

    EIN 854289817 · Headquarters: REPUBLIC, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Mt Adams Institute

    EIN 453308913 · Headquarters: TROUT LAKE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Mt Adams Resource Stewards

    EIN 510503978 · Headquarters: GLENWOOD, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Mt Florence Irrigators Association

    EIN 262758682 · Headquarters: Richland, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Mukilteo Way Garden Club

    EIN 911689711 · Headquarters: Mukilteo, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. National Association of Environmental Professionals Inc

    EIN 510193940 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. National Fisheries Conservation Center

    EIN 911686596 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. National Forest Protection Alliance

    EIN 911837567 · Headquarters: Spokane, WA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  22. National Wildfire Alliance

    EIN 414016055 · Headquarters: Nine Mile Falls, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Native Habitat a Nonprofit Corporation

    EIN 812444702 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  24. Native Plant Salvage Foundation

    EIN 912120715 · Headquarters: Olympia, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Native Plant Stewards

    EIN 205642559 · Headquarters: Greenbank, WA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  26. Natural Beekeepers Path

    EIN 392605431 · Headquarters: Concrete, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Natural Development Fund

    EIN 463927406 · Headquarters: Issaquah, WA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  28. Nature 4 All

    EIN 474125106 · Headquarters: MAPLE VALLEY, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Nature and Community

    EIN 883860646 · Headquarters: RICE, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Nature Immersion Program

    EIN 331601913 · Headquarters: OKANOGAN, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. Nature Vision Inc

    EIN 680524632 · Headquarters: WOODINVILLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Natures Academy Inc

    EIN 261198913 · Headquarters: Port Angeles, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Naturescaping AKA Naturescaping of SW Washington

    EIN 931166487 · Headquarters: Brush Prairie, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. Navigating Our Future

    EIN 331089029 · Headquarters: FRIDAY HARBOR, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Neighborhoods to Nature

    EIN 881282306 · Headquarters: Bainbridge Island, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Neighbors for Responsible Development a Wa Nonprofit Corp

    EIN 680527618 · Headquarters: Yakima, WA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  37. Neighbors to Save Wellington Park

    EIN 460932606 · Headquarters: WOODINVILLE, WA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  38. Net Impact

    EIN 823367715 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. Net Impact Seattle Professional Chapter

    EIN 851023883 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  40. Net-negative Co2 Baseload Power Inc

    EIN 871113075 · Headquarters: West Richland, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Network for Business Innovation and Sustainability

    EIN 432009276 · Headquarters: Vashon, WA, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  42. New Enchantment Association for the Preservation of Nature

    EIN 742891944 · Headquarters: Lake Stevens, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  43. New Energy Thurston

    EIN 474443850 · Headquarters: Olympia, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. New Start Community Garden

    EIN 821358507 · Headquarters: Burien, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. New Tulips School

    EIN 923138019 · Headquarters: Renton, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. NGO P E a C E Plastic Environmental Awareness Community Effort

    EIN 863708144 · Headquarters: Aberdeen, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. NGO P I E C E Plastic Industry Environmental Corporate Effort

    EIN 863728990 · Headquarters: Aberdeen, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Nia Tero

    EIN 821949563 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Niawiakum River Valley Conservation Group

    EIN 863289233 · Headquarters: SOUTH BEND, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Nisqually Community Forest

    EIN 472620839 · Headquarters: OLYMPIA, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Nisqually Land Trust

    EIN 911484518 · Headquarters: LACEY, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Nisqually River Foundation

    EIN 550858194 · Headquarters: Olympia, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Nordso Foundation

    EIN 453134439 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  54. North Cascades Conservation Council

    EIN 916055365 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. North Cascades Institute

    EIN 911327775 · Headquarters: Sedro Woolley, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. North Central Washington Dahlia Society

    EIN 680574861 · Headquarters: East Wenatchee, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. North Central Washington Resource Conservation and Development Counc

    EIN 911576415 · Headquarters: Waterville, WA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  58. North End Flower Club

    EIN 900917099 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. North Olympic Land Trust

    EIN 911500378 · Headquarters: PORT ANGELES, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. North Olympic Peninsula Resource Conservation & Development Council

    EIN 912157738 · Headquarters: PORT ANGELES, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. North Snohomish Watershed Council

    EIN 911710287 · Headquarters: Lake Stevens, WA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  62. North Sound Bicycle Advocates

    EIN 992684587 · Headquarters: Edmonds, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Northeast Washington Forestry Coalition

    EIN 810628015 · Headquarters: COLVILLE, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Northwest Biodiesel Network

    EIN 204012446 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  65. Northwest Charity Tournaments

    EIN 800027136 · Headquarters: Vancouver, WA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  66. Northwest Climate Change Center

    EIN 261351735 · Headquarters: Spokane, WA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  67. Northwest Community Land Trust Coalition

    EIN 200496103 · Headquarters: WINTHROP, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Northwest Ecobuilding Guild

    EIN 911658589 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  69. Northwest Forest Education Foundation

    EIN 911477259 · Headquarters: Tacoma, WA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  70. Northwest Horticultural Society

    EIN 916067917 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Northwest Motorcycle Association Foundation

    EIN 883268054 · Headquarters: MOSSYROCK, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Northwest Natural Resource Group

    EIN 943172720 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Northwest Orchid Society Inc

    EIN 916058816 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Northwest Perennial Alliance

    EIN 770615180 · Headquarters: BELLEVUE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. Northwest Permaculture Convergence

    EIN 611802782 · Headquarters: Belfair, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Northwest Regional Floodplain Management Association

    EIN 311776328 · Headquarters: ELLENSBURG, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. Northwest Solar Group

    EIN 200789727 · Headquarters: Tacoma, WA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  78. Northwest Sportsmans Club

    EIN 263114574 · Headquarters: Greenacres, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. Northwest Toxic Communities Coalition

    EIN 611555139 · Headquarters: SEQUIM, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Northwest Washington Operators Section of the Pacific Nw

    EIN 911244264 · Headquarters: EVERSON, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Northwest Watershed Institute

    EIN 931325820 · Headquarters: PORT TOWNSEND, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Northwest Wilderness and Parks Conference

    EIN 911419391 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  83. Ntd Public Tv Seattle

    EIN 770676739 · Headquarters: BELLEVUE, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  84. Nw Center for Sustainability and Innovation

    EIN 263166683 · Headquarters: Bow, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Nw Honey Bee Habitat Restoration

    EIN 474218688 · Headquarters: LYNNWOOD, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Oak Harbor Garry Oak Society

    EIN 811488711 · Headquarters: Oak Harbor, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Ocean Garbage Patch

    EIN 460810227 · Headquarters: Hansville, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Ocean Shores Citizens for Balanced Growth

    EIN 711042271 · Headquarters: Ocean Shores, WA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  89. Ocean Shores Fresh Waterways Inc

    EIN 911544793 · Headquarters: Ocean Shores, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Odd Fellows Lodge 20 Housing Project

    EIN 462253913 · Headquarters: ELLENSBURG, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Ohme Gardens Friends Society

    EIN 262752655 · Headquarters: Wenatchee, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Okanogan Highlands Lavender Farm

    EIN 813972499 · Headquarters: TONASKET, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Okanogan Land Trust

    EIN 943112454 · Headquarters: OKANOGAN, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Okanogan Trails Coalition

    EIN 202456880 · Headquarters: Omak, WA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  95. Old Bellevue Merchants Association

    EIN 455541549 · Headquarters: Bellevue, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. Olmsted-fairview Park Comission

    EIN 824860509 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Olympia Capitol Park Foundation

    EIN 300500194 · Headquarters: OLYMPIA, WA, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  98. Olympia Community Solar

    EIN 832686367 · Headquarters: Olympia, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. Olympia Ecosystems

    EIN 471745539 · Headquarters: OLYMPIA, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Olympia Garden Club

    EIN 916072378 · Headquarters: Olympia, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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