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NAICS 813312 · Environment, Conservation and Wildlife Organizations

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Environmental organization in Mamaroneck, NY

Environmental organization in Mamaroneck, NY; 825 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Harbor Island Conservancy Inc

    Active501(c)(3) public charity

    Mamaroneck, NY

    CallAsk it
    Proof for Harbor Island Conservancy Inc
    IRS exempt-organization registration
    IRS 300154652
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Mamaroneck, NY · serves New York
    Phone
    (914) 261-1204
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 300154652 → IRS search

  2. Alliance of Green Schools and Communities Inc

    Active501(c)(3) public charity

    Mamaroneck, NY

    Ask it
    Proof for Alliance of Green Schools and Communities Inc
    IRS exempt-organization registration
    IRS 203408077
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Mamaroneck, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 203408077 → IRS search

  3. Livingkind Inc

    Active501(c)(3) public charity

    Mamaroneck, NY

    Ask it
    Proof for Livingkind Inc
    IRS exempt-organization registration
    IRS 412055310
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Mamaroneck, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 412055310 → IRS search

  4. Hudson Park Childrens Greenhouse Inc

    Active501(c)(3) public charity

    New Rochelle, NY · 4 mi away

    CallAsk it
    Proof for Hudson Park Childrens Greenhouse Inc
    IRS exempt-organization registration
    IRS 811290639
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    New Rochelle, NY · serves New York
    Phone
    (914) 847-9471
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 811290639 → IRS search

  5. American Begonia Society - Hudson V Alley Branch

    Active501(c)(3) public charity

    Larchmont, NY · 2 mi away

    Ask it
    Proof for American Begonia Society - Hudson V Alley Branch
    IRS exempt-organization registration
    IRS 422911438
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Larchmont, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 422911438 → IRS search

  6. Ares Institute Ltd

    Active501(c)(3) public charity

    Pelham, NY · 5 mi away

    Ask it
    Proof for Ares Institute Ltd
    IRS exempt-organization registration
    IRS 932239855
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Pelham, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 932239855 → IRS search

  7. Bronx River Parkway Reservation Conservancy Inc

    Active501(c)(3) public charity

    Scarsdale, NY · 5 mi away

    Ask it
    Proof for Bronx River Parkway Reservation Conservancy Inc
    IRS exempt-organization registration
    IRS 133973552
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Scarsdale, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 133973552 → IRS search

  8. Clark Rogerson Foray Association Inc

    Active501(c)(3) public charity

    Eastchester, NY · 4 mi away

    Ask it
    Proof for Clark Rogerson Foray Association Inc
    IRS exempt-organization registration
    IRS 872286618
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Eastchester, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 872286618 → IRS search

  9. Climate Justice Voters Inc

    Active501(c)(4) social welfare organization

    New Rochelle, NY · 3 mi away

    Ask it
    Proof for Climate Justice Voters Inc
    IRS exempt-organization registration
    IRS 332918795
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(4) social welfare organization
    Checked
    Oct 23, 2026
    Where
    New Rochelle, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 332918795 → IRS search

  10. Connecticut Westchester Mycological Assoc Incorporated

    Active501(c)(3) public charity

    Eastchester, NY · 4 mi away

    Ask it
    Proof for Connecticut Westchester Mycological Assoc Incorporated
    IRS exempt-organization registration
    IRS 133238722
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Eastchester, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 133238722 → IRS search

  11. Conservation Without Borders

    Active501(c)(3) public charity

    New Rochelle, NY · 4 mi away

    Ask it
    Proof for Conservation Without Borders
    IRS exempt-organization registration
    IRS 474086572
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    New Rochelle, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 474086572 → IRS search

  12. Ecological Suburbia Inc

    Active501(c)(3) public charity

    Rye, NY · 3 mi away

    Ask it
    Proof for Ecological Suburbia Inc
    IRS exempt-organization registration
    IRS 883989188
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Rye, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 883989188 → IRS search

  13. Energy Justice Law and Policy Center

    Active501(c)(3) public charity

    New Rochelle, NY · 3 mi away

    Ask it
    Proof for Energy Justice Law and Policy Center
    IRS exempt-organization registration
    IRS 882180438
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    New Rochelle, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 882180438 → IRS search

  14. Environmental Coalition of the Pelhams Inc

    Active501(c)(3) public charity

    Pelham, NY · 5 mi away

    Ask it
    Proof for Environmental Coalition of the Pelhams Inc
    IRS exempt-organization registration
    IRS 464331428
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Pelham, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 464331428 → IRS search

  15. Federated Garden Clubs of New York State Inc

    Active501(c)(3) public charity

    Larchmont, NY · 2 mi away

    Ask it
    Proof for Federated Garden Clubs of New York State Inc
    IRS exempt-organization registration
    IRS 743137881
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Larchmont, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 743137881 → IRS search

  16. Flint Park Conservancy Limited

    Active501(c)(3) public charity

    Larchmont, NY · 2 mi away

    Ask it
    Proof for Flint Park Conservancy Limited
    IRS exempt-organization registration
    IRS 134123155
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Larchmont, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 134123155 → IRS search

  17. Friends of Glenwood Lake Park Inc

    Active501(c)(3) public charity

    New Rochelle, NY · 3 mi away

    Ask it
    Proof for Friends of Glenwood Lake Park Inc
    IRS exempt-organization registration
    IRS 061805694
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    New Rochelle, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 061805694 → IRS search

  18. Friends of Rye Nature Center Inc

    Active501(c)(3) public charity

    Rye, NY · 3 mi away

    Ask it
    Proof for Friends of Rye Nature Center Inc
    IRS exempt-organization registration
    IRS 136176032
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Rye, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 136176032 → IRS search

  19. Friends of Rye Sustainability Committee Foundation

    Active501(c)(3) public charity

    Rye, NY · 3 mi away

    Ask it
    Proof for Friends of Rye Sustainability Committee Foundation
    IRS exempt-organization registration
    IRS 993273128
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Rye, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 993273128 → IRS search

  20. Garden Club of Shelter Island Inc

    Active501(c)(3) public charity

    Rye, NY · 3 mi away

    Ask it
    Proof for Garden Club of Shelter Island Inc
    IRS exempt-organization registration
    IRS 113600702
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Rye, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 113600702 → IRS search

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