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NAICS 813990 · Other Similar Organizations (except Business, Professional, Labor, and Political Organizations)

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Nonprofit organization in Windsor, CA

7 nonprofit organization in Windsor, CA; 332 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Circuit Rider Community Services

    ActiveTax-exempt corporation registered in SAM.gov

    Windsor, CA

    Ask it
    Proof for Circuit Rider Community Services
    SAM.gov registration
    SAM.gov H6N6PRWTLHL1
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Jul 30, 2027
    Checked
    Nov 2, 2026
    Where
    Windsor, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  2. Conservation Works

    ActiveTax-exempt corporation registered in SAM.gov

    Windsor, CA

    Ask it
    Proof for Conservation Works
    SAM.gov registration
    SAM.gov ZVMCC3DTK2H7
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Mar 11, 2027
    Checked
    Nov 2, 2026
    Where
    Windsor, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  3. Pdi Surgery Center

    ActiveTax-exempt corporation registered in SAM.gov

    Windsor, CA

    Ask it
    Proof for Pdi Surgery Center
    SAM.gov registration
    SAM.gov MWJAD3NF5BP7
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Jul 31, 2027
    Checked
    Nov 2, 2026
    Where
    Windsor, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  4. Friends of Windsor Library

    Active501(c)(3) public charity

    Windsor, CA

    Ask it
    Proof for Friends of Windsor Library
    IRS exempt-organization registration
    IRS 680374719
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Nov 9, 2026
    Where
    Windsor, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 680374719 → IRS search

  5. Math4Everyone

    Active501(c)(3) public charity

    Windsor, CA

    Ask it
    Proof for Math4Everyone
    IRS exempt-organization registration
    IRS 372102271
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Nov 9, 2026
    Where
    Windsor, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 372102271 → IRS search

  6. Napa Valley Dixieland Jazz Society

    Active501(c)(3) public charity

    Windsor, CA

    Ask it
    Proof for Napa Valley Dixieland Jazz Society
    IRS exempt-organization registration
    IRS 680185667
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Nov 9, 2026
    Where
    Windsor, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 680185667 → IRS search

  7. Windsor Middle School Boosters

    Active501(c)(3) public charity

    Windsor, CA

    Ask it
    Proof for Windsor Middle School Boosters
    IRS exempt-organization registration
    IRS 993981922
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Nov 9, 2026
    Where
    Windsor, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 993981922 → IRS search

  8. California Indian Museum

    ActiveTax-exempt corporation registered in SAM.gov

    Santa Rosa, CA · 4 mi away

    Ask it
    Proof for California Indian Museum
    SAM.gov registration
    SAM.gov CLJNJKBLMAT3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Dec 9, 2026
    Checked
    Nov 2, 2026
    Where
    Santa Rosa, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  9. Children's Museum of Sonoma County

    ActiveTax-exempt corporation registered in SAM.gov

    Santa Rosa, CA · 4 mi away

    Ask it
    Proof for Children's Museum of Sonoma County
    SAM.gov registration
    SAM.gov FF9XBSUMQU14
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Feb 25, 2027
    Checked
    Nov 2, 2026
    Where
    Santa Rosa, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  10. Fire Safe Sonoma Inc

    ActiveTax-exempt corporation registered in SAM.gov

    Santa Rosa, CA · 4 mi away

    Ask it
    Proof for Fire Safe Sonoma Inc
    SAM.gov registration
    SAM.gov D4NZAWY4JGG3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Oct 5, 2027
    Checked
    Nov 2, 2026
    Where
    Santa Rosa, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  11. Verity-Compassion. Safety. Support, a California Corporation

    ActiveTax-exempt corporation registered in SAM.gov

    Santa Rosa, CA · 4 mi away

    Ask it
    Proof for Verity-Compassion. Safety. Support, a California Corporation
    SAM.gov registration
    SAM.gov CNVQZNCMHBS7
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Nov 14, 2026
    Checked
    Nov 2, 2026
    Where
    Santa Rosa, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  12. American Agcredit Flca

    ActiveFederal instrumentality

    Santa Rosa, CA · 4 mi away

    Ask it
    Proof for American Agcredit Flca
    IRS exempt-organization registration
    IRS 680435866
    Issuer
    IRS
    Status
    Active
    Class
    Federal instrumentality
    Checked
    Nov 9, 2026
    Where
    Santa Rosa, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 680435866 → IRS search

  13. Angela Merici and John Henry Newman Foundation Inc

    Active501(c)(3) public charity

    Santa Rosa, CA · 4 mi away

    Ask it
    Proof for Angela Merici and John Henry Newman Foundation Inc
    IRS exempt-organization registration
    IRS 870744045
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Nov 9, 2026
    Where
    Santa Rosa, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 870744045 → IRS search

  14. Arena Boosters Club

    Active501(c)(3) public charity

    Santa Rosa, CA · 4 mi away

    Ask it
    Proof for Arena Boosters Club
    IRS exempt-organization registration
    IRS 820979574
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Nov 9, 2026
    Where
    Santa Rosa, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 820979574 → IRS search

  15. Carpenters Housing Corp

    ActiveTax-exempt corporation registered in SAM.gov

    Santa Rosa, CA · 4 mi away

    Ask it
    Proof for Carpenters Housing Corp
    SAM.gov registration
    SAM.gov R2LLQPLM8KD3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Apr 26, 2027
    Checked
    Nov 2, 2026
    Where
    Santa Rosa, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  16. Cta Nea Retired Northbay

    Active501(c)(3) public charity

    Santa Rosa, CA · 4 mi away

    Ask it
    Proof for Cta Nea Retired Northbay
    IRS exempt-organization registration
    IRS 455407358
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Nov 9, 2026
    Where
    Santa Rosa, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 455407358 → IRS search

  17. Hague Collective Inc

    Active501(c)(3) public charity

    Santa Rosa, CA · 4 mi away

    Ask it
    Proof for Hague Collective Inc
    IRS exempt-organization registration
    IRS 844970225
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Nov 9, 2026
    Where
    Santa Rosa, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 844970225 → IRS search

  18. Jack London Families

    Active501(c)(3) public charity

    Santa Rosa, CA · 4 mi away

    Ask it
    Proof for Jack London Families
    IRS exempt-organization registration
    IRS 331071375
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Nov 9, 2026
    Where
    Santa Rosa, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 331071375 → IRS search

  19. Keystone Species Alliance

    Active501(c)(3) public charity

    Santa Rosa, CA · 4 mi away

    Ask it
    Proof for Keystone Species Alliance
    IRS exempt-organization registration
    IRS 920934642
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Nov 9, 2026
    Where
    Santa Rosa, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 920934642 → IRS search

  20. Northern California Dermatology Society

    Active501(c)(3) public charity

    Santa Rosa, CA · 4 mi away

    Ask it
    Proof for Northern California Dermatology Society
    IRS exempt-organization registration
    IRS 900508659
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Nov 9, 2026
    Where
    Santa Rosa, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 900508659 → IRS search

More cities in California

Los Angeles 1,202San Francisco 764San Diego 738Sacramento 570San Jose 423Oakland 379Fresno 225Irvine 214Berkeley 199Long Beach 183Riverside 149Bakersfield 148Pasadena 147Fremont 143Santa Barbara 125Santa Rosa 123

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