The IRS posts the Exempt Organizations Business Master File extract about once a month. We diff it against the previous extract and publish the organizations that are new: freshly recognized 501(c)(3) charities, foundations, associations and clubs. New organizations need bookkeeping, insurance, fundraising software, banking and filing help.
Latest extract posted 2026-10-13: 14,599 organizations (new_ruling: 14,425, added_older_ruling: 174).
Free per-state JSON with a sample and older months: e.g. /data/npo/public/CA.json.
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Source: IRS EO BMF extract (public). Person names and street addresses are not included. Not affiliated with the IRS.